Consider the derivation of Equation (4.5) for the sample size of a two-sample z-test with known variance
Question:
Consider the derivation of Equation (4.5) for the sample size of a two-sample z-test with known variance and equal allocation.
a. Identify terms in Equation (4.2) that are smaller than $\alpha / 2$ and derive line (4.3) based on the information.
b. Show how Equation (4.4) is derived from Equation (4.3).
Data from Equation 4.2
Data from Equation 4.3
Data from Equation 4.4
Data from Equation 4.5
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ISBN: 9780367456856
1st Edition
Authors: Nathan Taback
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