The Wall Street Journal?s website, www.wsj.com, reported the number of cars and lightduty trucks sold by the
Question:
The Wall Street Journal?s website, www.wsj.com, reported the number of cars and lightduty trucks sold by the eight largest automakers in the first 2 months of 2013. Compare the 2013 data to the first 2 months of 2009 as reported below.
a. Compare the total sales for the eight automakers. Has there been an increase or a decrease in sales for 2013 compared to the same period in 2009?
b. The total number of cars and light-duty trucks sold in 2013 was 2.234 million while 1.346 million were sold in 2009. Compute the market share for each of the companies. Has there been a change in the market share for any of the companies?
c. Compute the percentage change in sales for each of the eight companies. Which companies had a significant change in sales?
Statistical Techniques in Business and Economics
ISBN: 978-1259666360
17th edition
Authors: Douglas A. Lind, William G Marchal