Math, asked by dhruvishah348, 3 months ago

Q:3 Solve the following:- (Each carries 3 marks)
(1) Find which group is more reliable from the following:-
n1=250; n2=250; mean of 1st group is 62; mean of 2nd group is 65, S1.=8;S2=6.

Answers

Answered by neetika1818

0

Answer:

1st group

the formulation of 1st group is

3/2 mc²

answer is 32n

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