Suppose A is always 3. Var(B)=4. What is Var(A+B)?

In hypothesis testing, which of the following statements is always true?

Suppose E and F are events in a sample space S. Suppose further that E has probability .2, F has probability .6, and the intersection of E and F has probability .1. What is the probability of the union of E and F?

An auto analyst is conducting a satisfaction survey, sampling from a list of 10,000 new car buyers. The list includes 2,500 Ford buyers, 2,500 GM buyers, 2,500 Honda buyers, and 2,500 Toyota buyers. The analyst selects a sample of 400 car buyers, by randomly sampling 100 buyers of each brand. Is this an example of a simple random sample?

What power is used in the formula for skewness?

What are the characteristics of the f-distribution.

The variance of X is 5 and the variance of Y is 8. What is the variance of X+Y?

Which of the assumptions is not one of the assumptions for creating a linear regression model (ie. Gauss-Markov Assumptions)?

Which of the following numbers (measures of kurtosis of a distribution) would represent a platykurtic distribution?

What is another form of expressing beta1 in a simple linear regression? y=dependent variable x=independent variable

Which statistic is not a measure of effect size?