Total points are 40. Points are included with each problem.
Included with each section or problem are reference examples and end of section exercises that can be used as a guide. Be sure to show your work in case partial credit is awarded. To receive full credit, work must be shown if applicable.
See the instructions at the end of the project for copying a graph from Excel into a Word document. The technology manual that was packaged with your book has an Excel section that can help with the graphing.
Section 9.1 : Correlation
1. Construct a scatter plot using excel for the given data. Determine whether there is a positive linear correlation, negative linear correlation, or no linear correlation. Complete the table and find the correlation coefficient r. (References: example 1 - 4 pages 498 - 500; end of section exercises 15 - 22 pages 508 - 509)
The data below are the number of absences and the final grades of 9 randomly selected students from a statistics class.