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Author Question: A gym teacher uses three exercises to increase arm strength: push-ups, pull-ups, and rope climbing. ... (Read 56 times)

Yi-Chen

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on: Jan 16, 2020
A gym teacher uses three exercises to increase arm strength: push-ups, pull-ups, and rope climbing.  He has 10 students in small class.  The exercises consist of doing as many push-ups as possible in 2 minutes.  After a rest the student does as many push-ups as possible in 2 minutes.  After a rest the student climbs a rope and the time is recorded in seconds.  The data for this class is given below.  Test the null hypothesis that all coefficients are zero at the 95% confidence level.

Push-ups
​		Pull-ups
​		Rope
Climb		​Push-ups
​		Pull-ups
​		Rope
Climb
161369​171968
182056​232249
242546​212152
221859​201663
191565​161774

◦ The probability plot of residuals indicates normality of residuals so the hypothesis test is inconclusive.
◦ Reject the null hypothesis.
◦ The probability plot of residuals indicates non-normality of residuals so the hypothesis test is inconclusive.
◦ Fail to reject the null hypothesis.
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by Yi-Chen on Jan 16, 2020

makaylafy

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Reply #1 on: Jan 16, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Yi-Chen

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Reply 2 on: Jan 16, 2020
Wow, this really help

parshano

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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