In what follows use any of the following tests/procedures: Regression, multiple regressions, confidence intervals, one-sided t-test or two-sided t-test. All the procedures should be done with 5% P-value or 95% confidence interval.

Upload dataHeartRate_Exercise. These data are based on 45 randomly chosen High school students.

SETUP: Is it reasonable to claim that students who do not exercise or exercise less than 10 hours a week have higher average heart beat rate at rest than those who exercise 10 hours or more a week. Given the data your job is to confirm or disprove this claim.

weekly exercise (hours) Heart Rate at rest 16 55 2 76 3 78 17 46 19 76 3 68 19 61 12 68 15 48 2 71 4 72 2 81 10 64 9 61 0 73 0 84 5 72 16 58 0 77 19 54 4 79 8 73 6 85 17 57 2 75 7 85 13 73 3 75 8 84 6 52 5 60 18 69 1 66 19 90 19 64 5 65 0 74 2 55 18 67 2 78 0 71 18 76 11 76 13 84 0 91