When we want (95 %) confidence and use the conservative estimate of (p=0.5), we can use the
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When we want \(95 \%\) confidence and use the conservative estimate of \(p=0.5\), we can use the simple formula \(n=1 /(M E)^{2}\) to estimate the sample size needed for a given margin of error \(M E\). Use this formula to determine the sample size needed for the given margin of error.
A margin of error of 0.02 .
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Statistics, Enhanced Unlocking The Power Of Data
ISBN: 9781119308843
2nd Edition
Authors: Robin H Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F Lock, Dennis F Lock
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