Question: 8) The data collected are summarized in the following table of sample statistics: Fleece type Sample Sample Sample (i) Size Mean Variance ni (xi )

8) The data collected are summarized in the
8) The data collected are summarized in the following table of sample statistics: Fleece type Sample Sample Sample (i) Size Mean Variance ni (xi ) (s ? ) 1 (merino) 12 8.675 1.0566 2 (cotton) 11 6.6 1.928 3 (poly) 10 7.76 1.5893 4 (polar) 11 6.5182 1.9456 Perform an ANOVA hypothesis test at the a = 0.01 significance level to see whether any of the groups has a different population mean than the others. Show your work. Here is the ANOVA table to help organize your results: Source of Sum of Squares Degrees of Mean Square F Critical Variation Freedom value of F Treatments Error Total Ho : HA

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