Scatter Graphs:
A scatter graph shows the joint distribution of observed values of two variables. Each pair of values is shown as a point on X-Y plane with coordinates (Xi,Yi), where Xi and Yi are the values of the first and the second variable. Scatter graphs help draw attention to various types of correlation between two variables.
Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.
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