Chapter 1, Problem 11CE

Barnes & Noble recently began selling an electronic book reader called the Nook Color. With this device, you can download over two million e-books and newpapers and magazines. It displays downloaded materials in full color. Assume you know the number of Nook Color units sold each day for the last month at the Barnes & Noble store at the Market Commons Mall in Riverside, California. Describe a condition in which this information could be considered a sample. Illustrate a second situation in which the same data would be regarded as a population.