large population of 5,000 students take a practice test to prepare for a standardized test. The population mean is 140 questions correct, and the standard deviation is 80. What size samples should a researcher take to get a distribution of means of the samples with a standard deviation of 10?    provide the solution of above questions

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A large population of 5,000 students take a practice test to prepare for a
standardized test. The population mean is 140 questions correct, and the standard
deviation is 80. What size samples should a researcher take to get a distribution of
means of the samples with a standard deviation of 10? 

 

provide the solution of above questions

 

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