Stats Help

M8A6

8 Points

Count your resting heart rate for one minute.

These are the total HR from the forum in the class:

74 81 98 70 100 90 93 73 80 60 62

1. Using the information from the forum calculate the sample mean and sample standard deviation for the number of heartbeats per minute for the class.

2. Proceed to test the claim that the mean heartbeats per minute is 80. Show all the steps used in our hypothesis-testing model (use alpha = .05 and a two-tailed test). Make sure to state your null and alternate hypotheses.

3. What are your results?

4. What are the limitations of this particular study? Identify any aspects of the experiment that could potentially threaten the validity of the results.