Population standard deviation

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Reference no: EM132586829

Consider the following hypothesis test: Ho: μ ≤ 51 H1: μ & 51

A sample of 60 is used and the population standard deviation is 8. Use α=0.05.

a. Z critical = _______________

b. Sample mean = 53.5, z calc = ______________. Do you reject Ho?

c. Sample mean = 51.8, z calc = ______________. Do you reject Ho?

d. The Pvalue for c is:_________________

Reference no: EM132586829

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