We are interested in determining whether or not the variances of the sales at two small grocer of 21 days of sales at Store A and a sample of 16 days of sales at Store B indicated the follow Store A Store B nl = 21 n2 = 16 $=800 $²=400 (A) The null and alternative hypotheses is H:σ} #0} _vs. H¸:0} = 0}
We are interested in determining whether or not the variances of the sales at two small grocer of 21 days of sales at Store A and a sample of 16 days of sales at Store B indicated the follow Store A Store B nl = 21 n2 = 16 $=800 $²=400 (A) The null and alternative hypotheses is H:σ} #0} _vs. H¸:0} = 0}
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:We are interested in determining whether or not the variances of the sales at two small grocery stores are equal. A sample
of 21 days of sales at Store A and a sample of 16 days of sales at Store B indicated the following.
Store A
Store B
n1 = 21
n2 = 16
$₁=800
$₂=400
(A) The null and alternative hypotheses is H : #02 vs. H₂₁:0² = 6²
(B) The test statistic is F = 2.0
(C) The rejection region is F≥2.76
(D) All of these choices are false.
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