1. In May, the prices of a single scoop of ice cream cone at 17 Los Angles stores were:

[in cents]

Baskin Robbins 65

Carvel 90

Dreyers 90

Cinema Sweets 95

Farrells 65

Foster's 48

Grizzley Bear 85

Haagen-Dazs 100

Howard Johnson 65

Desertery 55

Emporium 90

McConnells 110

NYT 65

Robb's 85

Swenson's 80

Tastee Freez 59

Thrifty Drug 15

a. Find the median price of an ice cream cone. ________

b. Find the mean price of an ice cream cone ___________

Cross Thrifty Drug off the list and

c. Find the median price of the remaining cones. ___________

d. Find the mean price of the remaining cones. ___________

e. Which increased more, the median or the mean? ________

Include Thrifty drug from now on

f. Find the range in prices _________

g. Make a stem-and-leaf plot of the prices.

h. Are there any gaps in the prices? ______ Where? ___________

i. Are there any prices separated from the rest? _________

(These are called outliers.) (11 pt)