18. FILE DOW. The accompanying table shows a portion of the 30 companies that comprise the Dow Jones Industrial Average (DJIA). For each company, the data set lists the year that it joined the DJIA, its industry, and its stock price (in $) as of February 15, 2019. Company 3M (MMM) American Express (AXP) Year 1976 1982 ⠀ 2018 Industry Health Care Finance ⠀ Health Care Price 208.9 107.4 ⠀ Walgreen (WBA) a. What is the measurement scale of the Industry variable? b. What is the measurement scale of the Year variable? What are the strengths of this type of measurement scale? What are its weaknesses? c. What is the measurement scale of the Price variable? What are the strengths of this type of measurement scale? 73.43
18. FILE DOW. The accompanying table shows a portion of the 30 companies that comprise the Dow Jones Industrial Average (DJIA). For each company, the data set lists the year that it joined the DJIA, its industry, and its stock price (in $) as of February 15, 2019. Company 3M (MMM) American Express (AXP) Year 1976 1982 ⠀ 2018 Industry Health Care Finance ⠀ Health Care Price 208.9 107.4 ⠀ Walgreen (WBA) a. What is the measurement scale of the Industry variable? b. What is the measurement scale of the Year variable? What are the strengths of this type of measurement scale? What are its weaknesses? c. What is the measurement scale of the Price variable? What are the strengths of this type of measurement scale? 73.43
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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