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= QUIZ: QUIZ... Quiz: QUIZ... Question 1 of 7 This question: 1 point(s) possible The grade point averages (GPA) for 12 randomly selected college students
Quiz: QUIZ... Question 1 of 7 This question: 1 point(s) possible The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete parts (a) through (c) below Assume the population is normally distributed. (a) Find the sample mean, - = (Round to two decimal places as needed) (b) Find the sample standard deviation. = (Round to two decimal places as needed) (c) Construct a 95% confidence interval for the population mean A 95% confidence interval for the population mean is (Round to two decimal places as needed) 22 16 2.4 04 34 08 23 Submit quiz 2.5 37 3.4
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Essentials Of College Algebra
Authors: Margaret L Lial, John E Hornsby, David I Schneider, Callie Daniels
11th Edition
0321912241, 9780321912244
