Share
Explore BrainMass

Change in heart beat

The following data are the heart rates (in beats per minute) of 12 regular before and after chewing smokeless tobacco. Does chewing make a difference in heart rate? Also, is the test dependent or independent?

Subject 1 2 3 4 5 6 7 8 9 10 11 12

Rate Before 73 67 68 60 76 80 73 77 66 58 82 78

Rate After 77 69 73 70 74 88 76 82 69 61 84 80

Solution Summary

To know if there is change in heart beat before and after chewing smokeless tobacco.

$2.19