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on list . K The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete 2.1 3.3 2.9 0

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on list . K The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete 2.1 3.3 2.9 0 parts (a) through (c) below. 1.6 0.6 4.0 Assume the population is normally distributed. 2.1 1.2 3.9 0.2 2.1 tion 1 3.1 stion 2 (a) Find the sample mean. x = (Round to two decimal places as needed.) stion 3 (b) Find the sample standard deviation. s= (Round to two decimal places as needed.) stion 4 (c) Construct a 99% confidence interval for the population mean p. A 99% confidence interval for the population mean is () estion 5 (Round to two decimal places as needed.) Next

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