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Author Question: A regression model examining the amount of weight a football player can bench press found that 10 cm ... (Read 144 times)

OSWALD

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on: Jul 25, 2018
A regression model examining the amount of weight a football player can bench press found that 10 cm differences in chest size are associated with 8 kg differences in weight pressed. Which is true?
 
  I. The correlation between chest size and weight pressed is r = 0.80
  II. As a player gets stronger and presses more weight his chest will get bigger.
  III. A positive residual means that the player pressed more than predicted.
  A) III only B) I only C) I and III D) none E) I and II

Question 2

Variables X and Y have r = 0.40. If we decrease each X value by 0.1, double each Y value, and then interchange them (put X on the Y- axis and vice versa) the new correlation will be
 
  A) 0.15 B) 0.60 C) -0.40 D) 0.40 E) 0.80
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cadimas

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Reply #1 on: Jul 25, 2018
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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OSWALD

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Reply 2 on: Jul 25, 2018
Wow, this really help

sailorcrescent

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Reply 3 on: Yesterday
Excellent

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