Answered: A research paper describes an…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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A research paper describes an experiment in which 74 men were assigned at random to one of four treatments.

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The participants then went to a room to complete a questionnaire. In this room, bowls of pretzels were set out on the tables. A research assistant noted how many pretzels were consumed by each participant while completing the questionnaire. Data consistent with summary quantities given in the paper are given in the following table.

Treatment 1	Treatment 2	Treatment 3	Treatment 4
9	7	2	5
6	9	5	1
4	0	1	5
13	3	0	7
1	8	3	5
2	9	0	1
5	7	3	0
9	1	4	0
12	6	4	4
5	9	5	3
2	9	5	1
0	5	6	3
7	13	9	2
4	8	4	2
10	0	0
6	7	7
0	4	3
11	11
	5
	7
	10
	9
	7
	1
	10

Do these data provide convincing evidence that the means for the numbers of pretzels consumed are not the same for all four treatments? Test the relevant hypotheses using a significance level of 0.05.

Calculate the test statistic and find the P-value. (Round your answer to two decimal places.)

F =

P-value =

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