Chapter 1, Problem 16SE

Athletic Shoe Sales. Skechers U.S.A., Inc., is a performance footwear company headquartered in Manhattan Beach, California. The sales revenue for Skechers over a four-year period are as follows:

1. a. Are these cross-sectional or time-series data?

FIGURE 1.9 Estimated Monthly Jewelry Sales in the United States for 2016

Source: The U.S. Census Bureau tracks sales per month for various products and services through its Monthly Retail Trade Survey (https://www.census.gov/retail/mrts/historic_releases.html)

1. b. Construct a bar graph similar to Figure 1.2 B.
2. c. What can you say about how Skecher’s sales are changing over these four years?