Which of the following is a requirement that must be true in order to run a t-test over a z-test? a) the standard deviations for both populations must be known b) the standard deviations should come from each sample c) if the sample sizes are less than 30, the populations need to be approximately normal d) the populations must be approximately normal
Which of the following is a requirement that must be true in order to run a t-test over a z-test? a) the standard deviations for both populations must be known b) the standard deviations should come from each sample c) if the sample sizes are less than 30, the populations need to be approximately normal d) the populations must be approximately normal
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Which of the following is a requirement that must be true in order to run a t-test over a z-test?
a) the standard deviations for both populations must be known
b) the standard deviations should come from each sample
c) if the
d) the populations must be approximately normal
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