Pulse rates A medical researcher measured the pulse rates (beats per minute) of a sample of randomly selected adults and found the following Student’s t-based confidence interval: a) Explain carefully...

Pulse rates A medical researcher measured the pulse rates (beats per minute) of a sample of randomly selected adults and found the following Student’s t-based confidence interval:

a) Explain carefully what the software output means.

b) What’s the margin of error for this interval?

 c) If the researcher had calculated a 99% confidence interval, would the margin of error be larger or smaller? Explain.