In Week 1 of RES/342 we determined the optimal sample size, n, using a three variable formula.
Fill in the following table (see attachment) listing the three variables and specify the effect on n (either + or -) of increasing and decreasing each variable, one at a time.© BrainMass Inc. brainmass.com June 3, 2020, 10:01 pm ad1c9bdddf
n = [(z*sigma)/E]^2
z = 1.96, E = 1, sigma changes
sigma = 1 n = 3.8416
sigma = 2 n = 15.3664
sigma = 3 n = 34.5744
sigma = 4 n = ...
The solution provides a step-by-step explanation, filling in the given table, listing the three variables and specifying the effect on n (either + or -) of increasing and decreasing each variable, one at a time.