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Consider an experiment with six groups, with nine values in each. For the ANOVA

ID: 3173492 • Letter: C

Question

Consider an experiment with six groups, with nine values in each. For the ANOVA summary table shown to the right, fill in all the missing results. Complete the ANOVA summary table below. Students in a business statistics course performed a completely randomized design to test the strength of four brands of trash bags. One-pound weights were placed into a bag, one at a time, until the bag broke. A total of 24 bags, 6 for each brand, were used. The data in the accompanying table give the weight (in pounds) required to break the trash bags. Complete (a) through (d) below. Click on the icon to view the data table. Click on the icon to view a partial table of critical values of F. Click on the icon to view a partial table of critical values of the Student zed Range, Q. a. At the 0.05 level of significance, is there evidence of a difference in the mean strength of the four brands of trash bags? Determine the hypotheses. Choose the correct answer below. Find the test statistic. F_STAT = ____ Determine the critical value.

Explanation / Answer

ANOVA table will be:

Source Degrees of freedom Sum of squares Mean square ( Variance) F Among groups 6 - 1 = 5 32*5 = 160 32 32/16 = 2 Within groups 53 - 5 = 48 768 768/48 = 16 Total 6*9 - 1 = 53 160 + 768 = 928