Two kinds of thread are being compared for strength. The data are as follows: x (kg) Brand A: 78.3 5.6 s (kg) 11 14 17 Brand B: 87.2 6.3 At the 0.05 level of significance, find the critical value of a two-tailed test that H- HA = 4.0 kg. Assume normality.
Two kinds of thread are being compared for strength. The data are as follows: x (kg) Brand A: 78.3 5.6 s (kg) 11 14 17 Brand B: 87.2 6.3 At the 0.05 level of significance, find the critical value of a two-tailed test that H- HA = 4.0 kg. Assume normality.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:Two kinds of thread are being
compared for strength. The data are
as follows:
x (kg) s (kg) 11
78.3 5.6
14
Brand A:
Brand B: 87.2 6.3
17
At the 0.05 level of significance, find the critical value of a two-tailed test that μg-HA =
4.0 kg. Assume normality.
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