This assignment consists of three parts:
(1) Sample Selection
Recommend the steps that should be taken to draw the particular sample described below. Format your response as a procedure.
A stratified sample of 75 doctors, 75 lawyers and 75 engineers who belong to a professional organization in that you belong to.
A simple random sample of 150 subscribers to your local newspaper.
A systematic sample of 250 subscribers from a subscriber list of a trade publication.
(2) A Priori Power Analysis
Download the G*Power software and then use the software to submit the following: a. Calculate the estimated sample size needed when given these factors:
one-tailed t-test with two independent groups of equal size
small effect size (see Piasta, S.B.,
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