Question 5 Let\'s assume the weekly hours spent studying and GPA are very heavil

Question

Question 5

Let's assume the weekly hours spent studying and GPA are very heavily positively correlated. What value of of Pearson's r would best fit this situation?

a. .1

b. .85

c. -.5

d. .5

e. -1.0

Question 6

What r value would you expect to find when looking at the correlation between weekly hours at the gym and body fat percentage?

a. -.6

b. 0

c. .5

d. -.05

e. .1

Question 7

Regression analysis is discussed on p. 259 of your text. What would you expect the regression line for the relationship between years of college education and income to look like? What would Y', a, b, and X be in the following equation:

Y' = a + b(X)

Based on this, what would you expect income to be if a person had no college education? What would income be for a person who had a master's degree (6 years of college education)?

Explanation / Answer

Question 5

Answer:

b. 0.85

(Because it shows highest positive correlation)

Question 6

Answer:

a . -0.6

(Because we know that there is a considerably high negative correlation exists between the weekly hours at the gym and body fat percentage.

Question 7

Information for previous part is not provided.

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