Question

A random sample has 61 values. The sample mean is 9.9 and the sample standard deviation is 2. Use a level of significance of a=0.01 to conduct a right-tailed test of the claim that the population mean is 9.2 ( i.e, H_0: u= 9.2, H_1: u>9.2).
A)Compute the sample test statistic t.
B) Do we reject or fail to reject H_0? Explain you reasoning.

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