Suppose a sample of 15 rulers from a given supplier has an average length of 12 04 in and the sample standard deviation is 015 in If is 02, can we conclude that the average length of the rulers produced by this supplier is 12 in , or should we accept H 1 12 00 ...

To determine whether we can conclude that the average length of the rulers produced by the supplier ...

Suppose a sample of 15 rulers from a given supplier has an average length of 12.04 in.

Question:

Suppose a sample of 15 rulers from a given supplier has an average length of 12.04 in. and the sample standard deviation is .015 in.. If α is .02, can we conclude that the average length of the rulers produced by this supplier is 12 in., or should we accept H₁: μ ≠12.00?

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