2.
   2024
/   

(
 

  

)
 : 3     :100
:     -    ,          
                
  -
1.()   :


(b)        -  :
󰇜
󰇛󰇜
2.(a)        ,  ,  ,    
 
() 
󰇡
󰇢

x    y  
  - 
2.
3.(a)          :
 
  
0-10
6
10-20
5
20-30
8
3040
15
40-50
7
50-60
6
6070
3
(b)    ,          :
    (CI)
  
0–15
8
1530
26
3045
30
4560
45
6075
20
7590
17
90–105
4
4.       (   ):
  ( )
10
20
30
40
50
70
80
90
  
4
6
24
46
67
96
99
100
  - 
5.(a)              :
 
1
2
4
5
6
7
  
10
18
25
12
3
2
2.
(b)          0.5        
42  36 
   
6.(a)   , x  y      -     :

30
38
28
27
28
23
30
33
28
35
 
29
27
22
29
20
29
18
21
27
22
(b)      ,     :

25
28
35
32
31
36
29
38
34
32
 
43
46
49
41
36
32
31
30
33
39
2.
   2024
/   

(
 

  

)
 : 3     :100
:     -    ,          
                
  -
1.()   :


(b)        -  :
󰇜
󰇛󰇜
:1(a)   


󷊆󷊇 
  ',     ,        
 -      
    ,    
  
    ':
2.


󰇛󰇜󰇛󰇜
󰆒
󰇛󰇜
:
󰇛󰇜
  
  :

󰇛
󰇜
 
        , 
   '   
  -      
󽆛󽆜󽆝󽆞󽆟-- 

    :


 0/0     ,       
  
 
           
 

      :


󰇜󰇛
󰇛
󰇜
   :
󰇛󰇜󰇛󰇜
2.
     :
󰇛󰇜
     :


󰇛
󰇜
  :


 :
󷄧󼿒  (a)
  x   (   ) 󰇛󰇜
1(b)     -  
󰇛󰇜󰇛󰇜
󰇛󰇜
         -       
 
2.
󷋇󷋈󷋉󷋊󷋋󷋌 1:    
󰇛󰇜󰇛󰇜
󰇛󰇜
:
 6 →   ≥0
 5 →   (x−3) '   
       ' (x−3) '   
         
󽆛󽆜󽆝󽆞󽆟 2:  
/  , 
  
    :

󰇟󰇠
󰆒
󰆒
:
󰇛󰇜
󰇛󰇜
:
󰆒
󰇛󰇜
󰆒
󰇛󰇜
 :
󰆒
󰇛󰇜󰇛󰇜
󰇛󰇜
󰇛󰇜
󰇛󰇜
   :
 :
󰇛
󰇜
󰇛󰇜
2.
 :
󰆒
󰇛󰇜󰇛󰇜
󰇛󰇜
󰇟󰇛󰇜󰇛󰇜󰇠
  :

  :
󰆒
󰇛󰇜󰇛󰇜
󰇛󰇜
󰇛󰇜
󷘹󷘴󷘵󷘶󷘷󷘸 3:   
  = 0
󰇛󰇜
󰇛󰇜
󰇛󰇜
 :



   
󷆳󷆴󷆸󷆵󷆶󷆷 4:   /-    

         
:
󰆒
󰇛󰇜󰇛󰇜
󰇛󰇜
󰇛󰇜
  :
󰇛
󰇜
 ≥0 ( )
2.
󰇛
󰇜
 (x−2) '   
󰇛

󰇜
 x−28/11 '   
     '  '   :
󰇛
󰇜󰇛
󰇜
󹺖󹺗󹺕  
   :



 :
  1:
x=1 :
󰇛󰇜󰇛󰇜
 
    
󰆒
󰇛󰇜
  2:
x=2.2 :
󰇛󰇜󰇛󰇜
 
    
󷷑󷷒󷷓󷷔  x=2 '   
2.
  3:
x=2.8 :
󰇛󰇜󰇛󰇜
   
󷷑󷷒󷷓󷷔  x=28/11 ' -
  4:
x=4 :
󰇛󰇜󰇛󰇜
    
 x=3  
 (  )
󷨰󷨱󷨲󷨳󷨴󷨵 5:     -  
x=2    
󰇛󰇜󰇛󰇜
󰇛󰇜
      = 0
- x=28/11
:






2.
 :

󰇡

󰇢


󷄧󼿒   ()
  :
at
-:


at


2.(a)        ,  ,  ,    
 
() 
󰇡
󰇢

x    y  
:󷋇󷋈󷋉󷋊󷋋󷋌(a)  ,  ,   
1.    
           (x)    
   :    '         ,
  󰇛󰇜
󰇛
󰇜󰇛
󰇜
 :
o  󰇛󰇜
2.
o  ,  .󰇛󰇜
o  ,  .󰇛󰇜
o   ', - x  , f(x)   
  :        
2.   
              
   :    '         ,
  󰇛󰇜
󰇛
󰇜󰇛
󰇜
 :
o  󰇛󰇜
o  ,  .󰇛󰇜
o  ,  .󰇛󰇜
o - x  , f(x)  
  :        
3.   (    -)
     ""  ""  
   :         
- :         
 :
o  󰇛󰇜
o       
o , .  -  󰇛󰇜
o        
 
  x      

   :
o 
,     󰇛󰇜
o , .      󰇛󰇜
o    - 
 
       
  :
   x    
    x    
       (  )   (-) 
 
󷙣󷙤󷙥  ()  
2.
        :
󰇡
󰇢
 1:    
 
 :
 ,
 2:      
     :


󰆒
󰆒
 3:    
(i)  
󰆒

󰇛
󰇜

󰆒


(ii)  
󰇛
󰇜


  :

󰇛

󰇜

  :

󰇛

󰇜

 ,
2.
󰆒


 4:       


󰇛

󰇜󰇛
󰇜󰇛
󰇜󰇡


󰇢
 x    y   
󷊨󷊩   
  :
  (  ),   (  ), 
  (  ) 
  :           , 
  ' 
󽆪󽆫󽆬
     ,   --   ,   
    :         , 
     
         ,

     ,       
-  
  - 
3.(a)          :
 
  
0-10
6
10-20
5
20-30
8
3040
15
40-50
7
50-60
6
6070
3
2.
:󹵍󹵉󹵎󹵏󹵐    (  )
   (    )         
   
  
 
 
 (f)
0-10
6
10-20
5
20-30
8
3040
15
40-50
7
50-60
6
6070
3
󷈷󷈸󷈹󷈺󷈻󷈼    (   )
                
    
 
 :
  
 
󷷑󷷒󷷓󷷔            
 :
Mean Deviation from Mean


:
= 
=    
= 
󽆛󽆜󽆝󽆞󽆟 1:       (x) 
2.
  , 
     :
Lower limit + Upper limit
 

  (x)
0-10
6
5
10-20
5
15
20-30
8
25
3040
15
35
40-50
7
45
50-60
6
55
6070
3
65
󽆛󽆜󽆝󽆞󽆟 2:   ( ) 
:


  :
 



0-10
6
5
30
10-20
5
15
75
20-30
8
25
200
3040
15
35
525
40-50
7
45
315
50-60
6
55
330
6070
3
65
195
 :


  :
2.



󷷑󷷒󷷓󷷔  = 33.4
󽆛󽆜󽆝󽆞󽆟 3:    
  :
| x | ||---|----------------|5 | 28.4 |15 | 18.4 |25 | 8.4 |
35 | 1.6 | 45 | 11.6 | 55 | 21.6 | 65 | 31.6 |
󽆛󽆜󽆝󽆞󽆟 4:    (f)   
 :
| f | x | | ||---|---|--------------|---------------|6 | 5 | 28.4 | 170.4 | 5 | 15 | 18.4 | 92 | 8 | 25 |
8.4 | 67.2 | 15 | 35 | 1.6 | 24 |7 | 45 | 11.6 | 81.2 | 6 | 55 | 21.6 | 129.6 |3 | 65 | 31.6 |
94.8 |
 :

󽆛󽆜󽆝󽆞󽆟 5:    
Mean Deviation





2.
󷄧󼿒  
Mean Deviation from Mean 
󷈷󷈸󷈹󷈺󷈻󷈼  ( )
13.18    ?
  :
󷷑󷷒󷷓󷷔,       13     
    = 33.4,       :

≈ 20  46 
         20-40    
(b)    ,          :
    (CI)
  
0–15
8
1530
26
3045
30
4560
45
6075
20
7590
17
90–105
4
:󷋇󷋈󷋉󷋊󷋋󷋌 1:  
      :
2.
    (CI)
  
015
8
1530
26
3045
30
4560
45
6075
20
7590
17
90105
4
    :
1.    (QD)=

2.    =


               ()  
 ()  
󷙣󷙤󷙥   2:        

   (CF)    :
   
   (f)
    (CF)
015
8
8
1530
26
34
3045
30
64
4560
45
109
6075
20
129
7590
17
146
90105
4
150
 
󷊨󷊩 3:      
 


 



 , 37.5  ' ,  112.5  ' 
󷈷󷈸󷈹󷈺󷈻󷈼 4:       
: CF  37.5  30–45    (
 30  CF 34 ,  45  CF 64
)
2.
: 112.5  60–75    (
 60   CF 109 ,  75   CF 129
)
󷙣󷙤󷙥   5:       
       :
󰇭


󰇮
:
=     
=  
=      
=    
=  
(i)  
  = 30–45




 = 37.5









(ii)  
  = 60–75




 = 112.5








2.

󷊨󷊩 6:      
  (QD):



   :
Coefficient





󽆪󽆫󽆬  
   = 15.44
     ≈ 0.33
󷈷󷈸󷈹󷈺󷈻󷈼    
 ""          
     25%   
     75%   
          50%    
  2       ,     
 
        -         
    
  , 15.44            
 ,
 0.33   
            
4.      (   ):
  ( )
10
20
30
40
50
70
80
90
  
4
6
24
46
67
96
99
100
2.
:󹵍󹵉󹵎󹵏󹵐 
 " ()"     :
  ( )
10
20
30
40
50
60
70
80
90
  
4
6
24
46
67
86
96
99
100
  :
4   10     
6   20     
24   30     

      ,      ( ) 

󽆛󽆜󽆝󽆞󽆟 1:         

  
 :




   
 
    
0-10
4
4
10-20
6
6−4 = 2
20-30
24
24−6 = 18
3040
46
46−24 = 22
40-50
67
67−46 = 21
50-60
86
86−67 = 19
6070
96
96−86 = 10
70-80
99
99−96 = 3
80-90
100
100−99 = 1
      :
 
  
0-10
4
10-20
2
20-30
18
3040
22
40-50
21
2.
50-60
19
6070
10
70-80
3
80-90
1
󹵍󹵉󹵎󹵏󹵐 2:    
            

6  
 :
󷄧󷄫  󷄧󷄬2     (  )󷄧󷄭2  
  (  )󷄧󷄮3     (  )󷄰󷄯3  
  (  )󷄧󷄱3     (  )
  1:      
    = 22 →  3040
  2:  ( )
4+2 = 618+22 = 4021+19 = 4010+3 = 13
   = 40 →  20–30  3040  4050  5060
  3:  (  )
2+18 = 2022+21 = 4319+10 = 293+1 = 4
   = 43 →  30–40  4050
  4:  (  )
4+2+18 = 2422+21+19 = 6210+3+1 = 14
   = 62 →  30–40, 40–50, 50–6
2.
  5:  (  )
2+18+22 = 4221+19+10 = 503+1 = 4
   = 50 →  40–50, 50–60, 60–70
  6:  (  )
18+22+21 = 6119+10+3 = 32
   = 61 →  20–30, 30–40, 40–50
󼪔󼪕󼪖󼪗󼪘󼪙 3:   
               
 

20-30
2
3040
5
40-50
4
50-60
2

0
    = 30–40 (   )
󹵱󹵲󹵵󹵶󹵷󹵳󹵴󹵸󹵹󹵺 4:    ( )

󰇛

󰇜
󰇛



󰇜
:
=      = 30
=     = 22
=     = 18
=     = 21
=   = 10
2.
󽆛󽆜󽆝󽆞󽆟 5:  

󰇛

󰇜
󰇛

󰇜








󷄧󼿒  
Mode 
󷈷󷈸󷈹󷈺󷈻󷈼 
100           0-10, 10-20, 20-30, 
     
 
      ,  
:
   30-40     
   22   -   
    ',             
         30-40 -    ,   
  
          ≈ 38  
  
   :
󷷑󷷒󷷓󷷔          38 
2.
  - 
5.(a)              :
 
1
2
4
5
6
7
  
10
18
25
12
3
2
(b)          0.5        
42  36     
:󷋇󷋈󷋉󷋊󷋋󷋌  (a)      
    :
  (x)
   (f)
1
10
2
18
3
30
4
25
5
12
6
3
7
2
 1:    
    :


 
:
o 
o 
o 
o 
o 
o 
o 
.
2.
 ,



 2:  
       
    = 30 ( = 3 )  ,  = 3
 3:   
:

:
o

o

o

o

o

o

o


.
 ,


󰇛󰇜


 4:      
:

Mode






󷄧󼿒 (a)  :       ≈ 0.14
2.
󷊨󷊩  ()   
   :
    = 0.5
 = 42
 = 36
    (CV)   
 1:          

Mode
 ,        :
Mode 󰇛Median󰇜
 2:       
 = 42,  = 36  ,
󰇛󰇜



,  = 45
 3:          
   = 0.5,





 ,   = 18
 4:   
:
2.






󷄧󼿒 (b)  :    = 40%
󽆪󽆫󽆬 
()      ≈ 0.14
()   = 40%
6.(a)   , x  y      -    :

30
38
28
27
28
23
30
33
28
35
 
29
27
22
29
20
29
18
21
27
22
(b)      ,     :

25
28
35
32
31
36
29
38
34
32
 
43
46
49
41
36
32
31
30
33
39
:6(a) x  y     -  
     :

30
38
28
27
28
23
30
33
28
35

29
27
22
29
20
29
18
21
27
22
    - (ρ)  ,            
      ,         
󷷑󷷒󷷓󷷔   :  x    ' y   -  
   x   y   -    
 1: x    
x        :
2.
23, 27, 28, 28, 28, 30, 30, 33, 35, 38
   (   ):


23
1
27
2
28
3,4,5 →  = 4
30
6,7 →  = 6.5
33
8
35
9
38
10
  x   :


30
6.5
38
10
28
4
27
2
28
4
23
1
30
6.5
33
8
28
4
35
9
 2: y    
y :
18, 20, 21, 22, 22, 27, 27, 29, 29, 29
:
 

18
1
20
2
21
3
22
4.5
27
6.5
29
9
  y   :
2.
 

29
9
27
6.5
22
4.5
29
9
20
2
29
9
18
1
21
3
27
6.5
22
4.5
 3: d = (Rx − Ry) 

 

²
6.5
9
−2.5
6.25
10
6.5
3.5
12.25
4
4.5
−0.5
0.25
2
9
−7
49
4
2
2
4
1
9
−8
64
6.5
1
5.5
30.25
8
3
5
25
4
6.5
−2.5
6.25
9
4.5
4.5
20.25


 4:      

󰇛
󰇜
:
n = 10Σd² = 217.5

󰇛󰇜




2.
󷄧󼿒 ():

󷷑󷷒󷷓󷷔: x  y          : - x
 , y     
6(b)     
  :

25
28
35
32
31
36
29
38
34
32

43
46
49
41
36
32
31
30
33
39
 :
󷄧󷄫x  y  →x2  y   y  x  y  x  

 1: 


 2:   
:

󰇛󰇜
󰇛󰇜
  :


2.
x  y  

󰇛󰇜
󰇛󰇜


 3: y  x 

󰇛󰇜
󰇛󰇜


y  x  
󰇛󰇜


󷄧󼿒  ()
x  y  :

y  x  :

  (-)
       :
   x  y    
  (       
)
       :
2.
󷷑󷷒󷷓󷷔 x   y  
󷷑󷷒󷷓󷷔 y   x  
        
  (a)    ,   -    (−0.36)
      -       !
󷄧󼿒  
()  :

  
() :


7.                
        :

   
  

 

 
2
10
4
12

4
5
4
8

5
10
7
15

10
12
12
10
15
15
15
10
2.
:󷋇󷋈󷋉󷋊󷋋󷋌 1:          
             
:



:



(  )



(  )
, =      , =      
󷙣󷙤󷙥   2:  

2
10
4
12
20
40
24
48

4
5
4
8
20
20
32
32

5
10
7
15
50
70
75
105

10
12
12
10
120
144
100
120
15
15
15
10
225
225
150
150

435
499
381
455
󷊨󷊩 3:         
    :






, .


    :






, .


󷈷󷈸󷈹󷈺󷈻󷈼 4:    
2.



󷄧󼿒'   = 117.1
         ,       
 17.1%  
󷙣󷙤󷙥   5:   
    :




     :




    :






     :






     :



     :



  :





     ( 
 )󷄧󼿒   
󷊨󷊩 6:       
2.
    :


       (    )



 ():






 ():






 ():



  :



󷄧󼿒      
󽆪󽆫󽆬
    = 117.1
           
8.         :
 
  (  )
1990
76.6
1991
78.7
1992
?
1993
77.7
1994
78.7
1995
?
2.
1996
80.6
:󷋃󷋄󷋅󷋆        
   
            
,    - 1992  1995 -      
                 
    
󹵍󹵉󹵎󹵏󹵐  
 
  ( )
1990
76.6
1991
78.7
1992
?
1993
77.7
1994
78.7
1995
?
1996
80.6
󷊆󷊇  ?
    -            

 1992 1991  1993   ,  1995 1994  1996   , 

         
  :
󷷑󷷒󷷓󷷔
   --  -  
󷷑󷷒󷷓󷷔           
󽆛󽆜󽆝󽆞󽆟      :    

  -       ,         
 :
Missing Value
Previous Year Value Next Year Value
2.
  -       
󹴢󹴣󹴤󹴥󹴦󹴧󹴨󹴭󹴩󹴪󹴫󹴬 1: 1992    
- :
1991 = 78.7
1993 = 77.7
  1992    
  :




󷄧󼿒1992    = 78.2 
󹴢󹴣󹴤󹴥󹴦󹴧󹴨󹴭󹴩󹴪󹴫󹴬 2: 1995    
- :
1994 = 78.7
1996 = 80.6
  :




󷄧󼿒1995    = 79.65 
󹵍󹵉󹵎󹵏󹵐   
2.
 
  ( )
1990
76.6
1991
78.7
1992
78.2
1993
77.7
1994
78.7
1995
79.65
1996
80.6
󷋇󷋈󷋉󷋊󷋋󷋌  ( )
      
          
  -    '
 
            :
1991  78.7
1993  77.7
 1992     '     
 :
1994  78.7
1996  80.6
  1995      
-        
󹵈󹵉󹵊   
  
      
:
-       
   - 
   ( 1 )
  
        ,  
   :
  
2.
 
 
 ,      
󷈷󷈸󷈹󷈺󷈻󷈼  
         :
 :
1990 → 76.6
1991 → 78.7 ()
1992 → 78.2 (  )
1993 → 77.7 ()
1994 → 78.7 ()
1995 → 79.65 ()
1996 → 80.6 ()
    
 :
󷷑󷷒󷷓󷷔1990        -
󷷑󷷒󷷓󷷔1993    
󷷑󷷒󷷓󷷔1996     
      -      
󹶜󹶟󹶝󹶞󹶠󹶡󹶢󹶣󹶤󹶥󹶦󹶧- 
              
       1992    78.2  
 1995  79.65       1990  1996   -
    '    
       -
           -    
   
󷄧󼿒  
2.
1992    = 78.2 
1995    = 79.65 
"                 
 
          ,         
 "