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Author Question: Suppose that the correlation between height and weight for adults is +.75 . What proportion (or ... (Read 87 times)

jwb375

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on: Jun 19, 2018
Suppose that the correlation between height and weight for adults is +.75 . What proportion (or percent) of the variability in weight is accounted for by the relationship with height?
 
  a. 75
  b. 25
  c. 56
  d. unable to determine

Question 2

The _____ is a measure of the proportion of variance in one of the variables that is accounted for by the other variable.
 
  a. Spearman rank-order correlation coefficient
  b. coefficient of determination
  c. point-biserial correlation coefficient
  d. Pearson product-moment correlation coefficient


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nicoleclaire22

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

c

Answer to Question 2

b


jwb375

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

Joy Chen

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

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