Find the equation of the regression line for the data in Example 10-5, and graph the line on the scatter plot.

Example 10-5

Compute the value of the linear correlation coefficient for the data obtained in the study
of the number of absences and the final grade of the seven students in the statistics class
given in Example 10 –2.

Example 10 –2

Construct a scatter plot for the data obtained in a study on the number of absences and
the final grades of seven randomly selected students from a statistics class. The data are
shown here.

Transcribed Image Text:

Student Number of absences x Final grade y (%) A 6 82 B 2 C 15 86 43 D 9 74 E 12 58 FA 5 90 G DO 8 78