This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: try plotting the points) b) Calculate the correlation coefficient. c) Why arent your answers from a) and b) in contradiction? (Hint: what does r measure?) 8. Does interchanging the axes on a scatter plot change the correlation coefficient? 10.00 5.00 0.00 X 10.00 8.00 6.00 4.00 2.00 0.002.00 Y For Problems 9 and 10, state which two scatter plots have the same correlation coefficient. 9. 10. 3.00 2.50 2.00 1.50 1.00 X 10.00 8.00 6.00 4.00 2.00 0.002.00 10.00 5.00 0.00 X 10.00 8.00 6.00 4.00 2.00 0.002.00 0.001.002.003.004.005.00 X 10.00 5.00 0.005.0010.00 10.00 5.00 0.005.0010.00 X 0.001.002.003.004.005.00 10.00 5.00 0.005.0010.00 X 10.00 8.00 6.00 4.00 2.00 0.00...
View
Full
Document
This homework help was uploaded on 04/07/2008 for the course MATH 1680 taught by Professor Patton during the Spring '08 term at North Texas.
 Spring '08
 Patton
 Statistics, Sets

Click to edit the document details