scatterplot

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?