Three independent samples of size 15 have been selected from three large populations, with the following results.
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Use analysis of variance to test the hypothesis that the three populations represented here have the same population mean. Use a significance level of 1%.
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Sample 1 Sample 2 Sample 3 5400 5800 5600 Mean 90 110 100 Std Dev
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H 0 1 2 3 the population means are equal H A The population means are not all equal 5400 5800 5600 s ...View the full answer
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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