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Author Question: If 49 of the total variability of Y is accounted for by X, what is the value of r? a. 0.49 c. ... (Read 60 times)

LaDunn

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on: Jun 19, 2018
If 49 of the total variability of Y is accounted for by X, what is the value of r?
 
  a. 0.49 c. 0.70
  b. 0.51 d. 0.30

Question 2

You have noticed that as people eat more ice cream they also have darker suntans. From this observation, you conclude _______.
 
  a. eating ice cream causes people to tan darker
  b. when one's skin tans it causes an urge to eat ice cream
  c. the results were spurious
  d. perhaps a third variable is responsible for the correlation
  e. all of these are possible


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stallen

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Reply #1 on: Jun 19, 2018
Answer to Question 1

C

Answer to Question 2

E MSC: WWW


LaDunn

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Reply 2 on: Jun 19, 2018
Wow, this really help

Jossy

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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