Question

What is the lower limit of class just preceding the median class of the following data if median is 34marks obtained 0 10 10 20 20 30 30 40 40 50 number of students 12 15 18 55 10

Answer 1

20 is lower limit of class just preceding the median class of the data

Step-by-step explanation:

Class                f                     cf

0   - 10              12                  12

10  - 20             15                  27

20  - 30            18                  45

30  - 40            55                  100

40  - 50            10                  110

Total = 110

Median  34 lies in 30 - 40

Median Class = 30 - 40

Class Preceding Median Class is 20 - 30

Lower limit of class 20-30  is 20

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