Question: Analysis of variance results generated by Excel are given on the next page. The sample results are measured consumer reactions to television commercials for different

Analysis of variance results generated by Excel are given on the next page. The sample results are measured consumer reactions to television commercials for different products. Assume that we want to use a 0.05 significance level in testing the null hypothesis that the different products have commercials with the same mean reaction score.
a. How many different samples are included in this study?
b. Identify the value of the test statistic,
c. Find the critical value from Table A-5.
d. Identify the P-value.
e. Based on the preceding results, what do you conclude about the equality.

df P-value Source of Variation Between groups Within groups Total MS 50.00 72.00 122.00 0,032 10.00 3.00 3.33 24 29

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