Author Question: If the standard deviation of X is 15, the covariance of X and Y is 94.5, and the correlation is ... (Read 79 times)

saliriagwu · **on:** Jun 24, 2018

If the standard deviation of X is 15, the covariance of X and Y is 94.5, and the correlation is 0.90, then the variance of Y is 7.0.
a. True
b. False
Indicate whether the statement is true or false

Question 2

The test statistic of the single-factor ANOVA equals:
a. sum of squares for treatments / sum of squares for error.
b. sum of squares for error / sum of squares for treatments.
c. mean square for treatments / mean square for error.
d. mean square for error / mean square for treatments.