Draw a scatterplot of each of the following:
· A strong positive correlation
· A strong negative correlation
· A weak positive correlation
· A weak negative correlation
Give a realistic example of each.
- What is the coefficient of determination? Why is it important to know the amount of shared variance when interpreting both the significance and the meaningfulness of a correlation coefficient?
- If a researcher wanted to predict how well a student might do in college, what variables do you think he or she might examine? What statistical procedure would he or she use?
- What is the meaning of the p value of a correlation coefficient?