A distribution has a standard deviation of = 4. Find the z-score for each of the following locations in the distributions. Explain the logic and show...

A distribution has a standard deviation of ơ = 4. Find the z-score for each of the following locations in the distributions. Explain the logic and show the math processes for each score.

a. Above the mean by 4 points.

b. Above the mean by 12 points.

c. Below the mean by 2 points.

d. Below the mean by 8 points.