The equation for determining the sample size n = (zc / E)2 can be obtained by

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The equation for determining the sample size
n = (zc σ / E)2
can be obtained by solving the equation for the margin of error
E = zc σ / √n
for n. Show that this is true and justify each step.

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Elementary Statistics Picturing The World

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6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:49 AM

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The equation for determining the sample size n = (zc / E)2 can be obtained by

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