Provide a 95% CI for the difference in mean baseline heart rate between starting an exercise program (2000) and after 10 years of regular exercise (2010)?

The subject also recorded his heart rate at baseline and 5 minutes after starting treadmill exercise (at a speed of 2.5 mph) in 2000. The data are shown in Table 8.38.

Table 8.38: Change in heart rate following treadmill use in 2000

 

Transcribed Image Text:

Heart rate Hoart rate Baseline Day 5 min Day Baseline 5 min 84 87 86 92 87 92 88 93 3 90 93 84 90 94 98 86 92 5 98 100 10 98 104 Mean 89.5 94.1 sd 5.4 5.1