Part of an ANOVA table is shown below. Source of Variation Sum of Squares Degrees of Freedom Mean Square F Between Treatments 160 4 A F Within Treatments (Error)     B   TOTAL 480 20     ​ a. The mean square between treatments is___  . b. The mean square within treatments is___  . f. The test statistic is___

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Q: 2. Why do we use samples in the collection of data?

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Q: . What are the null and alternative hypotheses? b. What is the appropriate test for the problem? c.…

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