Genetics: Analysis and Principles 4th Edition by Robert Brooker

Exercise 7

Two different varieties of potatoes both have the same mean weight of 1.5 pounds. One group has a very low variance, and the other has a much higher variance.
A. Discuss the possible reasons for the differences in variance.
B. If you were a potato farmer, would you rather raise a variety with a low or high variance Explain your answer from a practical point of view.
C. If you were a potato breeder and you wanted to develop potatoes with a heavier weight, would you choose the variety with a low or high variance Explain your answer.