Math, asked by christyyakel, 5 months ago

find the mean deviation about the mean for the following data
Class 0-5 ,5-10 ,10-15 ,15-20 ,20 -25
Frequency 3 , 5 ,12 ,6 ,4
Total 30

Answers

Answered by creative68

1

Answer:

16.2

Step-by-step explanation:

mean = €fx

€x

= 405/5 = 81

mean deviation = mean/frequeancy

= 81/5 = 16.2

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