A task requires the completion of four activities. A teacher would like to know if differences in

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A task requires the completion of four activities. A teacher would like to know if differences in the sequence of the four activities results in different task completion times. The teacher selects three students and demonstrates the activities in random order to the students. Then each student completes the task with each of the activity sequences. The completion times are recorded. The following table shows the minutes for each student to complete each task.

Time (minutes) Sequence Allen Carla Henry A. 22.4 20.8 21.5 B 17.0 19.4 20.7 19.2 20.2 21.2 D 20.3 18.6 20.4

a. What are the null and alternate hypotheses?

b. What are the test statistics?

c. What are the p-values?

d. Using a .05 significance level, what is your decision regarding the null hypotheses?

e. Interpret the result.

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Related Book For book-img-for-question

Statistical Techniques In Business And Economics

ISBN: 9781260239478

18th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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Question Posted: Dec 14, 2020 12:28 AM

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