For a random variable X, E[X]=3 and E[X^2]=14. Var[X]=?

What is synonymous with the coefficient of determination?

Which of the following is NOT a commonly used estimator in determining the parameters of an unknown probability density function?

Suppose E and F are mutually exclusive events in a sample space S. Suppose further that E has probability .3 and F has probability .4. What is the probability of the intersection of E and F?

Suppose E and F are events in a sample space S. Suppose further that E has probability .8 and F has probability .9. What is the largest possible value for the probability of the intersection of E and F?

What is homoskedastic?

What is the coefficient of variation?

Let X follow a Poisson distribution with a rate parameter of 7. What is Var(X)?

The variance of X is 3. Y=3X. What is the variance of Y?

Which should you use to analyze a continuous dependent variable against a categorical independent variable?

M=L+[d1/(d1+d2)], The M in the above equation represent?