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A data set includes data from student evaluations of courses. The summary statistics are nequals83, x overbarequals4.07, sequals0.55. Use a 0.05 significance level to test
A data set includes data from student evaluations of courses. The summary statistics are nequals83, x overbarequals4.07, sequals0.55. Use a 0.05 significance level to test the claim that the population of student course evaluations has a mean equal to 4.25. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. Question content area bottom Part 1 What are the null and alternative hypotheses? A. Upper H 0: muequals4.25 Upper H 1: mugreater than4.25 B. Upper H 0: muequals4.25 Upper H 1: munot equals4.25 Your answer is correct.C. Upper H 0: munot equals4.25 Upper H 1: muequals4.25 D. Upper H 0: muequals4.25 Upper H 1: muless than4.25 Part 2 Determine the test statistic. negative 2.98 (Round to two decimal places as needed.) Part 3 Determine the P-value. enter your response here (Round to three decimal places as needed.)
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