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Author Question: A gym teacher uses three exercises to increase arm strength: push-ups, pull-ups, and rope climbing. ... (Read 72 times)

savannahhooper

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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 his class.  He records the number of push ups each student is able to do in 2 minutes, the number of pull ups each student is able to do in 2 minutes, and the time (in seconds) for each student to climb a rope. The data are shown in the table. The teacher wonders whether the number of push ups and the number of pull ups would be good predictors of the time to climb the rope. Determine R2 for the multiple regression model where x1 is Push Ups, x2 is Pull Ups, and y is the response variable "Rope Climb".

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

◦ 92.8%
◦ 64.5%
◦ 82.3%
◦ 86.2%
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by savannahhooper on Jan 16, 2020

6ana001

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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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savannahhooper

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

miss.ashley

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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