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The state test scores for 12 randomly selected high school seniors are shown 1425 on the right. Complete parts (a) through (c) below. 700 Assume the population is normally distributed. 723 625 (a) Find the sample mean. X= (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) (c) Construct a 99% confidence interval for the population mean μ. A 99% confidence interval for the population mean is (). (Round to one decimal place as needed.) 1224 727 740 1449 981 831 548 940 □

The state test scores for 12 randomly selected high school seniors are shown 1425 on the right. Complete parts (a) through (c) below. 700 Assume the population is normally distributed. 723 625 (a) Find the sample mean. X= (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) (c) Construct a 99% confidence interval for the population mean μ. A 99% confidence interval for the population mean is (). (Round to one decimal place as needed.) 1224 727 740 1449 981 831 548 940 □

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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Statistics Question 14

 

The state test scores for 12 randomly selected high school seniors are shown 1425 on the right. Complete parts (a) through (c) below. 700 Assume the population is normally distributed. 723 625 (a) Find the sample mean. X= (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) (c) Construct a 99% confidence interval for the population mean μ. A 99% confidence interval for the population mean is (.). (Round to one decimal place as needed.) 1224 727 740 1449 981 831 548 940 D
Transcribed Image Text:The state test scores for 12 randomly selected high school seniors are shown 1425 on the right. Complete parts (a) through (c) below. 700 Assume the population is normally distributed. 723 625 (a) Find the sample mean. X= (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) (c) Construct a 99% confidence interval for the population mean μ. A 99% confidence interval for the population mean is (.). (Round to one decimal place as needed.) 1224 727 740 1449 981 831 548 940 D
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