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Author Question: Generally speaking, if two variables are unrelated, the covariance will be a number close to zero. ... (Read 75 times)

clmills979

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on: Jun 24, 2018
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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Reply #1 on: Jun 24, 2018
Answer to Question 1

T

Answer to Question 2

T


clmills979

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

mjenn52

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Reply 3 on: Yesterday
Wow, this really help

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