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

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

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

What is the coefficient of variation?

In a multiple regression model, what is the best way to test the joint significance of the independent variables?

What is the formula for the Pearsonian Coefficient of Skewness?

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?

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

What is synonymous with the coefficient of determination?

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

The preseason odds that the Hartford Whalers will win The Stanley Cup Championship are 1/4, and the odds are the same for the California Golden Seals. What is the probability that BOTH will win the championship?