Question

2 The following table gives the sum of deviation and Sum of
squares of deviations from assumed mean 100 from two series.
Find which series has more variation.
Series B
200
Series A
Number of
150
Observations
Sums of Deviations 180
Sums of Squares of 2,45,320
Deviation
250
43,850​

Answer 1

Answer:

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