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Homework: Ch 10 mm: One ( Question 23.10.13 W 5'=40-53'I39 of 28 points Sample Hypothesis Test Part1 mm C) Points: 0 m1 Suppose the mean
Homework: Ch 10 mm: One ( Question 23.10.13\" "W 5'=40-53\""'I\"39 of 28 points Sample Hypothesis Test Part1 mm C) Points: 0 m1 Suppose the mean IQ score of people in a certain country is 103. Suppose the director of a college obtains a simple random sample of 41 students from that country and nds the mean IQ is 106.6 with a standard deviation of 13.4. Complete parts (a) through (d) below. {a} Consider the hypotheses Hui p: 103 versus H1: p> 103. Explain what the director is testing. Perform the test at the or: 0.01 level of signicance. Write a conclusion for the test. Explain what the director is testing. Choose the oorrect answer below. 0 A. The director is testing If the sample provided sutcient evidence that the population mean IQ Store is actually greater than 103. O B. The director is testing if the sample provided sufcient evidence that the population mean IQ score is actually not greater than 103. O C. The director is testing if the sample provided sufcient evidence that the population mean IQ score is actually not equal to 103. O D. The director is testing if the sample provided suicient evidence that the population mean IQ score is actually equal to 103
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