The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set.

to the nearest tenth as needed. Midpoint x Graph/chart -X 70.5 92.5 Ay 114.5 30 136.5 25- 24 158.5 20- 15- 10- CO tenth as needed.) LO alues to the nearest tenth as needed 48.5 70.5 92.5 114.5 136.5 158.5 100OOO Print Done 10 E ( x - x ) Z CO N X