The following numbers are the differences in pulse rate (beats per minute) before and after running for

Question:

The following numbers are the differences in pulse rate (beats per minute) before and after running for 12 randomly selected people.
24, 12, 14, 12, 16, 10, 0, 4, 13, 42, 4, and 16
Positive numbers mean the pulse rate went up. Test the hypothesis that the mean difference in pulse rate was more than 0, using a significance level of 0.05. Assume the population is Normal. Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...