For each of the following two sets of scores:

a. Draw a scatter plot of the X-Y pairs. (5 points each)

Indicate whether the relationship between the two variables is best described as a positive linear relationship, a negative linear relationship, or a curvilinear relationship. (3 points each)

Set 1: X. Y Set 2: X Y

252. 2.5 5 300

498. 3.2. 1 100

100. 1.0 9 125

650. 5.5 3 250

300 4.0 7 250

10 100

Use the following data for questions 3 -6

X (self-esteem score) Y (helping score)

Student 1 : 15 7

Student 2 : 11 8

Student 3: 7 3

Student 4: 5 1

Student 5: 10 5

3: Calculate the correlation coefficient by hand (20 points)

4: Calculate the correlation coefficient in Jamovi and either copy and paste your output below or upload a second file to the assignment with your Jamovi outputs. (5 points)

5: Describe the correlation between self- esteem and helping. (5 points)

6: The percentage of variability in helping behavior that is explained by the relationship between helping and self-esteem is _____%. The percentage of variability that is not explained by the relationship between helping and self-esteem is _________? (6 points)