A simple random sample of size n = 14 is drawn from a population that is normally distributed. The sample mean is found to be x = 64 and the sample standard deviation is found to be s = 18. Construct a 90% confidence interval about the population mean. The lower bound is The upper bound is (Round to two decimal places as needed.)
A simple random sample of size n = 14 is drawn from a population that is normally distributed. The sample mean is found to be x = 64 and the sample standard deviation is found to be s = 18. Construct a 90% confidence interval about the population mean. The lower bound is The upper bound is (Round to two decimal places as needed.)
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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Transcribed Image Text:A simple random sample of size \( n = 14 \) is drawn from a population that is normally distributed. The sample mean is found to be \( \bar{x} = 64 \) and the sample standard deviation is found to be \( s = 18 \). Construct a 90% confidence interval about the population mean.
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The lower bound is \(\_\_\_\_\_\).
The upper bound is \(\_\_\_\_\_\).
*(Round to two decimal places as needed.)*
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