In what circumstance a Z test is chosen over a T test? 1.Normal distribution and population standard deviation, σ is known. 2.Skewed distribution and population standard deviation, σ is known. 3.Sample size greater than 30 and sample standard deviation, S is known. 4.Sample size greater than 30 and sample variance, S2 is known.
In what circumstance a Z test is chosen over a T test? 1.Normal distribution and population standard deviation, σ is known. 2.Skewed distribution and population standard deviation, σ is known. 3.Sample size greater than 30 and sample standard deviation, S is known. 4.Sample size greater than 30 and sample variance, S2 is known.
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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In what circumstance a Z test is chosen over a T test?
1.Normal distribution and population standard deviation, σ is known.
2.Skewed distribution and population standard deviation, σ is known.
3.
4.Sample size greater than 30 and sample variance, S2 is known.
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