Exam 5: Displaying and Describing Quantitative Data

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Analyze data of quantitative variables. -The following table shows closing share prices for a small sample of companies. The Mean closing share price is COMPANY CLOSING SHARE PRICE - 08/07 3M Dental Products 86.95 Tyco Electronics Power Systems 47.45 Kyocera America Inc. 94.10 Pfizer Inc. 22.39 Xerox Company 17.56 Northrop Grumman Corporation 75.81 Lockheed Martin Maritime Systems 100.17 Sony DADC 51.91 Matsushita Electronic Components 17.91 Foster Wheeler Environmental Corp. 55.67

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Compare results using standardization. -The following table shows closing share prices for a small sample of companies. The Z score for the share price for Matsushita Electronic Components is COMPANY CLOSING SHARE PRICE - 08/07 3M Dental Products 86.95 Tyco Electronics Power Systems 47.45 Kyocera America Inc. 94.10 Pfizer Inc. 22.39 Xerox Company 17.56 Northrop Grumman Corporation 75.81 Lockheed Martin Maritime Systems 100.17 Sony DADC 51.91 Matsushita Electronic Components 17.91 Foster Wheeler Environmental Corp. 55.67

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Describe displays of distributions. -Below is a histogram of salaries (in $) for a sample of U.S. marketing managers. The Most appropriate measure of central tendency for these data is the Describe displays of distributions. -Below is a histogram of salaries (in $) for a sample of U.S. marketing managers. The Most appropriate measure of central tendency for these data is the

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Data were collected on the hourly wage ($) for two types of marketing managers: (1) advertising / promotion managers and (2) sales managers. The results were used to create the following histograms. Data were collected on the hourly wage ($) for two types of marketing managers: (1) advertising / promotion managers and (2) sales managers. The results were used to create the following histograms.    a. Describe the hourly wage distribution for advertising / promotion managers. b. Describe the hourly wage distribution for sales managers. c. Compare the hourly wages for the two types of marketing managers based on the histograms. a. Describe the hourly wage distribution for advertising / promotion managers. b. Describe the hourly wage distribution for sales managers. c. Compare the hourly wages for the two types of marketing managers based on the histograms.

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