For the following two items, highlight YES if your response is "Yes" and NO if your response is "No." If applicable, then answer the question, "If NO, why not?"

1. (2 Points) In a normal distribution, a zscore of 2 has a percentile rank of 50. Is this correct?

YES NO

1. (2 Points) A researcher is interested in studying the impact of number of hours of sleep (i.e., X) on student statistics exam scores (i.e., Y). The researcher conducts a Simple Linear Regression and renders a regression equation of Y = 24.03 + 9.65X. I assert that the slope should be interpreted as, "If statistics exam scores increases by 1 point, then the predicted number of hours of sleep will increase by 9.65 hours."Am I correct? If NO, why not?

YES NO

Short answers:

1. (3 Points)Below are Bob's Verbal GRE scores. The GRE test was given to 12,056 students and the mean and variance from the test is provided. Convert Bob's Verbal GRE test scores to zscores. What is the percentile rank of Bob's score?

Test		2	Bob's Score
Verbal	46	9	49

1. (3 Points) Among the three central tendency measures (i.e., mean, mode, and median), which is most subjected to extreme score(s) and why?

1. (3 Points) Define Simple Random Sampling with Replacement and Simple Random Sampling without Replacement. Use examples to illustrate both.

1. (3 Points) When and why may it be beneficial to use a One-Factor ANOVA instead of an Independent t Test (i.e., with regards to Type I Error). Explain the benefit(s) in two to three sentences.