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  • Change the following data into ‘less than type’ distribution and draw its ogive : Class

Change the following data into ‘less than type’ distribution and draw its ogive :

Class

Interval:

 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency: 7 5 8 10 6 6 8

 

 

 

 
 
 
 
 

Answers (1)

Less than 40

7

Less than 50

 12

Less than 60

 20

Less than 70

 30

Less than 80

 36

Less than 90

 42

Less than 100

 50

Plotting of points (40, 7), (50,12), (60, 20), (70, 30), (80, 36), (90, 42) and (100, 50).

Joining the points to get the curve.

Posted by

Safeer PP

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