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Author Question: Generally speaking, if two variables are unrelated, the covariance will be a number close to zero. ... (Read 56 times)

clmills979

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Generally speaking, if two variables are unrelated, the covariance will be a number close to zero.
  Indicate whether the statement is true or false

Question 2

If the standard deviations of x and y are 12.5 and 10.8, respectively, and the covariance is 118.8, then the coefficient of correlation r is 0.88.
  Indicate whether the statement is true or false



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parker125

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Answer to Question 1

T

Answer to Question 2

T




clmills979

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


rleezy04

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

 

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