Statistics Solutions

[Solution] Sixteen steel wires of a certain make tested for tensile strength yielded a variance of 140 pounds 2 . Verify that this sample result is consistent

Question: Sixteen steel wires of a certain make tested for tensile strength yielded a variance of 140 pounds 2 . Verify that this sample result is consistent with the belief that the population variance is equal to at most 125 pounds 2 , at \(\alpha =0.05\).

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