Economy, asked by shivumittal123321, 3 months ago

EXERCIU
[Ans. X 12 =23, 12 = 6.13]
1. Two samples of size 40 and 60 respectively have means 20 and 25 and standard deviations
5 and 6 respectively. Find the combined mean and standard deviation of size 100.

Answers

Answered by arunaas4559

0

Answer:

I don't no the answer for this question

Answered by sunnyneol523

0

Answer:

Explanation:

Ji

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