Question: To test H0: = 5.2 versus H1: 5.2, a simple random sample of size n = 18 is obtained from a population

To test H0: σ = 5.2 versus H1: σ ≠ 5.2, a simple random sample of size n = 18 is obtained from a population that is known to be normally distributed.

(a) If the sample standard deviation is determined to be s = 4.9, compute the test statistic.

(b) Test this hypothesis at the α = 0.05 level of significance.

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