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To be 95% confident that s is within of the value of o, the sample size n should be at least To be 99% confident that s is within of the value of o, the sample size n should be at least 1% 5% 10% 20% 30% 40% 50% 19,205 768 192 48 21 12 1% 5% 10% 20% 30% 40% 50% 33,218 1,336 336 38 22 14

To be 95% confident that s is within of the value of o, the sample size n should be at least To be 99% confident that s is within of the value of o, the sample size n should be at least 1% 5% 10% 20% 30% 40% 50% 19,205 768 192 48 21 12 1% 5% 10% 20% 30% 40% 50% 33,218 1,336 336 38 22 14

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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Assume that the sample is a simple random sample obtained from a normally distributed population of IQ scores of statistics professors. Use the table below to find the minimum sample size needed to be 99​% confident that the sample standard deviation s is within 40​% of sigma.

The minimum sample size needed is?

To be 95% confident that s is within of the value of 6, the sample size n should be at least To be 99% confident that s is within of the value of 6, the sample size n should be at least 1% 5% 10% 20% 30% 40% 50% 12 44 21 2 19,205 768 8 1% 5% 10% 20% 30% 40% 50% 85 38 22 1 33,218 1,336 336
Transcribed Image Text:To be 95% confident that s is within of the value of 6, the sample size n should be at least To be 99% confident that s is within of the value of 6, the sample size n should be at least 1% 5% 10% 20% 30% 40% 50% 12 44 21 2 19,205 768 8 1% 5% 10% 20% 30% 40% 50% 85 38 22 1 33,218 1,336 336
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