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H0: 13 H1: > 13 A random sample of 10 observations is selected from a normal population. The sample mean was 14 and the sample

H0: 13

H1: > 13

A random sample of 10 observations is selected from a normal population. The sample mean was 14 and the sample standard deviation 4.2. Using the 0.05 significance level:

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

  1. Compute the value of the test statistic. (Negative answers should be indicated by a minus sign. Round your answer to 3 decimal places.)

  1. What is your decision regarding the null hypothesis?

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