What is the surface area of 8 ft and 16 ft

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Need showing work for this problem 56.25 ×25.80