Because the value of the ____________________ varies randomly ...

[student77]

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.

[underwood14]

Answer to Question 1

sample mean

Answer to Question 2

B

[student77]

Gracias!

[bigsis44]

Thanks for the timely response, appreciate it