Question

the class marks of a frequency distribution or given as follows 15 ,20,25,.... The class corresponding to the class mark 2 3 is​

Answer 1

11th

Economics

Organisation of Data

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The class marks of a freque...

STATISTICS

The class marks of a frequency distribution are given as follows: 15,20,25,...

The class corresponding to the class mark 20 is:

MEDIUM

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ANSWER

Class marks are: 15,20,25,...

Lower limit of class 20 is mean of 15 and 20=

2

15+20

=17.5

Upper limit of class 20 is the mean of 20 and 25=

2

20+25

=22.5

20 is the class mark for the class interval 17.5−22.5