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Author Question: Because the value of the ____________________ varies randomly from sample to sample, we can regard ... (Read 76 times)

student77

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on: Jun 24, 2018
Because the value of the ___________________ _ varies randomly from sample to sample, we can regard it as a new random variable created by sampling.
 Fill in the blank(s) with correct word

Question 2

If the coefficient of correlation is -0.80, then the percentage of the variation in y that is explained by the variation in x is:
 a. 80
  b. 64
  c. 89
  d. None of these choices.


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underwood14

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

sample mean

Answer to Question 2

B


student77

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Reply 2 on: Jun 24, 2018
:D TYSM

Viet Thy

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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