Question

Average heart rate for americans is 72 beats/minute. A group of 25 individuals participated in an aerobics fitness program to lower their heart rate. After six months the group was evaluated to identify is the program has significantly slowed their heart. The mean heart rate for the group was 69 beats/minute with a standard deviation of 6.5. Was the aerobics program effective in lowering heart rate

Answer 1

Answer:

The aerobics program was effective in lowering the hearth rate.

Explanation:

It was because the standard deviation, which tells about how much the data set differs from the mean, is not high and shows that there is less variability in the data set and is much closer to the mean value. So, the aerobic program did help in lowering the hearth rate of the participants.

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know more:

https://brainly.com/question/475676 What does standard deviation mean?

Answer 2

please solve kar ke dijiye is question ko