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(a) Use the 0.02 level of significance to test the hypothesis whether it is reasonable to assume that the variances of the two populations samples are equal. (b) Based on part (a), use the 0.02 level of significance to test the hypothesis whether the mean values of two samples are equal.

(a) Use the 0.02 level of significance to test the hypothesis whether it is reasonable to assume that the variances of the two populations samples are equal. (b) Based on part (a), use the 0.02 level of significance to test the hypothesis whether the mean values of two samples are equal.

MATLAB: An Introduction with Applications
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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1. The following random samples are measurements of heat producing capacity of (in GJ) of coal specimens from two mines. Mine-1 7.6 8.1 8.4 7.8 8.3 Mine-2 7.9 7.5 8.1 8.2 8.6 8.3 (a) Use the 0.02 level of significance to test the hypothesis whether it is reasonable to assume that the variances of the two populations samples are equal. (b) Based on part (a), use the 0.02 level of significance to test the hypothesis whether the mean values of two samples are equal.
Transcribed Image Text:1. The following random samples are measurements of heat producing capacity of (in GJ) of coal specimens from two mines. Mine-1 7.6 8.1 8.4 7.8 8.3 Mine-2 7.9 7.5 8.1 8.2 8.6 8.3 (a) Use the 0.02 level of significance to test the hypothesis whether it is reasonable to assume that the variances of the two populations samples are equal. (b) Based on part (a), use the 0.02 level of significance to test the hypothesis whether the mean values of two samples are equal.
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