One-year sales volume of four similar 20-oz. beverages on a college campus is shown.
(a) Make a bar chart and describe it.
(b) Calculate expected frequencies for each class.
(c) Perform the chi-square test for a uniform distribution. At 5 .05, does this sample con- tradict the assumption that sales are the same for each beverage?

Transcribed Image Text:

Beverage Sales (Cases) Frappuccino Coffee Frappuccino Mocha Frappuccino Vanilla Frappuccino Caramel 18 23 23 20 84 Total