CBSE BOARD X, asked by akhil12121212, 1 year ago

find the mean of the following frequency distribution CLASS =0-20, 20-40, 40-60, 60-80, 80-100 FREQUENCY = 17, 28, 32, 24, 19 respectively By assumed mean method.

Answers

Answered by nimisha125

2

mean

=sum of number of observation÷total number of observations

=(17+28+32+24+19)÷5

=120÷5

=24

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