Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 63

Medical: Physician Visits In some reports, the mean and coefficient of variation are given. For instance, in Statistical Abstract of the United States , 116th Edition, one report gives the average number of physician visits by males per year. The average reported is 2.2, and the reported coefficient of variation is 1.5%. Use this information to determine the standard deviation of the annual number of visits to physicians made by males.