Biology Forums - Study Force

If the coefficient of correlation is -0.60, then the coefficient of determination is:
 a. -0.60
  b. -0.36
  c. 0.36
  d. 0.77

Q. 2

As the number of throws of a fair die increases, the probability that the sample mean is close to (the number) ____________________ increases.
 Fill in the blank(s) with correct word

Q. 3

If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation must be:
 a. 1.0
  b. -1.0
  c. either 1.0 or -1.0
  d. 0.0

Q. 4

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

Ans. #1

C

Ans. #2

3.5

Ans. #3

C

Ans. #4

sample mean

You are really a genius. Thanks