You are given the following sample of students' homework average and exam average. Assume the distributions are bell sha

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You Are Given The Following Sample Of Students Homework Average And Exam Average Assume The Distributions Are Bell Sha 1 (19.25 KiB) Viewed 110 times

You Are Given The Following Sample Of Students Homework Average And Exam Average Assume The Distributions Are Bell Sha 2 (23.25 KiB) Viewed 110 times

You are given the following sample of students' homework average and exam average. Assume the distributions are bell shaped. Homework Average Exam Average 81.9 87.3 86.7 79.6 78.5 68.0 97.5 92.3 93.3 86.3

d. What percentage of homework averages are between 79.7 and 95.4? e. Calculate sample covariance. Interpret the covariance. f. Calculate the sample correlation coefficient. Interpret the result. g. Calculate the least squares/regression slope and intercept using homework average as the independent (x) variable. Interpret the slope and intercept. Find the change in a student's exam average if their homework average increased 0.5 percentage points. Predict a student's exam average if their homework average is 81.0.