H 1 : > 9 For a random sample of 10 observations, the sample mean was 11 and the

Question

H1 : > 9

For a random sample of 10 observations, the sample mean was 11 and the sample standard deviation 3.20. Using the .10 significance level:

State the decision rule. (Round your answer to 3 decimal places.)

c. What is your decision regarding the null hypothesis?

Given the following hypothesis:      H0 : 9

H1 : > 9

Given the following hypothesis: For a random sample of 10 observations, the sample mean was 11 and the sample standard deviation 3.20. Using the 10 significance level: (a)State the decision rule. (Round your answer to 3 decimal places.) (Click to select) Ho if t> (b)Compute the value of the test statistic. (Round your answer to 2 decimal places.) Value of the test statistic (c)What is your decision regarding the null hypothesis? (Click to select) 9. Ho. The mean (Click to select) greater than

Explanation / Answer

a) reject H0 if t > 1.383

b) test statistic = (11 - 9) / (3.2 / sqrt(10)) = 1.98

c) Reject H0 : The mean is greater than 9.

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