EBK STATISTICS FOR BUSINESS & ECONOMICS
EBK STATISTICS FOR BUSINESS & ECONOMICS
12th Edition
ISBN: 9780100460461
Author: Anderson
Publisher: YUZU
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Chapter 20, Problem 25SE

The closing price of Apple stock, adjusted for splits and dividends, for the first trading day of December 2007–2011 are given below. The CPI for December of each year is also given (Yahoo Finance and the U.S. Census Bureau). Deflate the stock price series and comment on the financial performance of Apple stock.

Year Price ($) CPI
2007 198.08 210.0
2008 85.35 210.2
2009 210.73 215.9
2010 322.56 219.2
2011 405.00 225.7
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