Your statistics instructor wants you to determine a confidence interval estimate for the mean test score. Past experience indicated that tests scores are normally distributed with a sample mean of 160 and a population standard deviation of 45. The critical value to estimate a 95% confidence interval of the population means is OA 1.645 OB. 1.90 OC. 2.021 O D. 1.684
Your statistics instructor wants you to determine a confidence interval estimate for the mean test score. Past experience indicated that tests scores are normally distributed with a sample mean of 160 and a population standard deviation of 45. The critical value to estimate a 95% confidence interval of the population means is OA 1.645 OB. 1.90 OC. 2.021 O D. 1.684
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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6.Statistics Quiz
![Your statistics instructor wants you to determine a confidence interval estimate for the mean test score. Past experience indicated that tests scores are normally distributed with a sample mean of 160
and a population standard deviation of 45. The critical value to estimate a 95% confidence interval of the population means is
OA 1.645
OB. 1.98
O C 2.021
O D. 1,684](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11876101-1124-4003-9d68-79d386bb8cbe%2Fd6a9a439-49ad-40a4-805c-1a049743d4aa%2Fc1txg2u_processed.png&w=3840&q=75)
Transcribed Image Text:Your statistics instructor wants you to determine a confidence interval estimate for the mean test score. Past experience indicated that tests scores are normally distributed with a sample mean of 160
and a population standard deviation of 45. The critical value to estimate a 95% confidence interval of the population means is
OA 1.645
OB. 1.98
O C 2.021
O D. 1,684
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