Question

The breaking strength of 20 test pieces of certain string.

95,103,97,130,96,73,78,95,89,68,82,79,69,67,83,108,94,87,93,117
Find:
I. Mean, Median, Mode
II. Q1 and Q3 and Q.D
III. Variance and standard deviation

Answer 1

111

Explanation:

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