Correlation and Multiple Regression

Address the issue(s) involved below concisely and thoroughly:

1. Under what situation would you use:

• Pearson'sr(give an example - not from the text - from your work or area of interest)
• Multiple regression (give an example - not from the text - from your work or area of interest)

2. Research has determined that students'exam performanceis dependent onexam anxietyandtime spent on revision. Express this information in a least-squares regression equation.

3. What specific concepts or topics in this week's reading do you find most difficult,and if any, what measures did you take to make it more comprehensible?