1. What does a correlation represent? Please provide one specific and original (e.g., Something discussed neither in class nor the textbook) example of both a positive correlation and a negative correlation; also, include a value that indicates the direction and magnitude of the correlation. (3 points)

2. What is the purpose of regression analysis? In regression analysis, what does a , or beta-weight, represent? Why is it that they are forms of standardized data?

3. Please provide an original example (i.e., Something that neither appears in the text nor was discussed in class) of multiple regression. Be sure to explicitly state what your criterion and predictor variables are. (2 points).

4. According to Autobytel.com, here are the top 10 highest horsepower (hp) coupes and compact cars for model year 2017:

1.Dodge Challenger SRT Hellcat RWD = 707hp

2.Chevrolet Camaro ZL1 = 650hp

3.Ford Shelby GT350 (Base) = 526hp

4.Lexus RC F (Base) = 467hp

5.Cadillac ATS-V = 464hp

6.BMW M2 (Base) = 365hp

7.Audi S5 quattro = 354hp

8.Nissan 370Z Sport (A7) = 332hp

9.Infiniti Q60 3.0t Premium RWD = 300

10.Mercedes-Benz C-Class C300 RWD = 241hp

Please calculate:

a)Mhp

b)SDhp

c)z-score for Dodge Challenger SRT Hellcat RWD

d)T-score for Mercedes-Benz C-Class RWD