About ____ of adults over age 65 report some degree of impairment in taste and smell

Charles, who is a man, is colorblind. As you will learn later in the book, this trait is due to a defective gene found on the X chromosome. Based on this, which parent gave him the defective gene?

a. mom b. dad c. one of his grandfathers on either side d. all of the above is possible

When a distribution has two separate and distinct medians, then

a. it is skewed right b. it is skewed left c. it is probably bimodal d. a distribution can never have more than one median