Question: a. A statistics practitioner randomly sampled 10 observations and found x = 103 and s = 17. Is there sufficient evidence at the 10% significance

a. A statistics practitioner randomly sampled 10 observations and found x̄ = 103 and s = 17. Is there sufficient evidence at the 10% significance level to conclude that the population mean is less than 110?

b. Repeat part (a) assuming that you know that the population standard deviation is σ = 17.

c. Explain why the conclusions produced in parts (a) and (b) differ.

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H 0 110 H 0 110 a Rejection region 1383 pvalue 1126 There is not eno... View full answer

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