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Author Question: In a study, the correlation coefficient for W and X is -0.25 . The correlation coefficient for X and ... (Read 114 times)

abern

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on: Jul 13, 2018
In a study, the correlation coefficient for W and X is -0.25 . The correlation coefficient for X and Y is 0.20 . The coefficient of determination for X and Z is 0.16 . The coefficient of alienation for Y and Z is 0.90 .
 
  Which pair of variables has the highest amount of variance accounted for?
  a) X and Y
  b) X and Z
  c) Y and Z
  d) W and X

Question 2

When you have ordinal data (such as class rank), which is the best measure of central tendency to use?
 
  a) range
  b) mode
  c) median
  d) mean


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Cnarkel

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Reply #1 on: Jul 13, 2018
Answer to Question 1

b

Answer to Question 2

c


abern

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Reply 2 on: Jul 13, 2018
Gracias!

Dominic

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Reply 3 on: Yesterday
Wow, this really help

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