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s = 1.15 (Round to two decimal places as needed.) (c) Construct a 99% confidence interval for the population mean μ. A 99% confidence interval for the population mean is (Round to two decimal places as needed.)

s = 1.15 (Round to two decimal places as needed.) (c) Construct a 99% confidence interval for the population mean μ. A 99% confidence interval for the population mean is (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. x= 2.36 (Round to two decimal places as needed.) (b) Find the sample standard deviation. s = 1.15 (Round to two decimal places as needed.) (c) Construct a 99% confidence interval for the population mean µ. A 99% confidence interval for the population mean is ( (Round to two decimal places as needed.) 2.2 2.4 0.5 3.5 2.7 0.8 1.1 3.7 2.2 3.3
Transcribed Image Text: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. x= 2.36 (Round to two decimal places as needed.) (b) Find the sample standard deviation. s = 1.15 (Round to two decimal places as needed.) (c) Construct a 99% confidence interval for the population mean µ. A 99% confidence interval for the population mean is ( (Round to two decimal places as needed.) 2.2 2.4 0.5 3.5 2.7 0.8 1.1 3.7 2.2 3.3
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