Question

Frequency
(Ans. MD; = 1.49, MD=143)
16
7. Calculate mean deviationq and coefficient of mean deviation with the help of median:
10-20
0-10
20-30
30-40
40-50
50-60
Class Interval
15
19
14
20
18
Frequency
(Ans. MD = 14.46, Coefficient of MD = 0.466)
8. Calculate mean deviation from mean of the following series:

Answer 1

Answer:

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