Question: The Dow Jones Industrial Average (DMA) underwent one of its infrequent reshufflings of companies when General Motors and Citigroup were replaced by Cisco Systems and Travelers (The Wall Street Journal, June 8. 2009). At the time. the prices per share for the 30 companies in the DJIA were as follows:
a. What is the highest price per share? What is the lowest price per sham?
b. Using a class width of 10. develop a frequency distribution for the data.
c. Prepare a histogram. Interpret the histogram. including a discussion of the general shape of the histogram. the midprice range. and the most frequent price range.
d. Use the The Wall Siren Journal or another newspaper to find the current price per share for these companies. Prepare a histogram of the data and discuss any changes since June 2009. What company has had the largest increase in the price per share? What company has had the largest decrease in the price per share?