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1. J. D. Power and Associates conducts vehicle quality surveys to provide automobile man- ufacturers with consumer satisfaction information about their products (Vehicle Quality Survey, January 2010). Using a sample of vehicle owners from recent vehicle purchase records, the survey asks the owners a variety of questions about their new vehicles such as those that follow. For each question, state whether the data collected are categorical or quantitative and indicate the measurement scale being used. What price did you pay for the vehicle? b. How did you pay for the vehicle? (Cash, Lease, or Finance) How likely would you be to recommend this vehicle to a friend? (Definitely Not, Probably Not, Probably Will, and Definitely Will) d. What is the current mileage? What is your overall rating of your new vehicle? A 10-point scale ranging from 1 for unacceptable to 10 for truly exceptional was used. a. с. e.

1. J. D. Power and Associates conducts vehicle quality surveys to provide automobile man- ufacturers with consumer satisfaction information about their products (Vehicle Quality Survey, January 2010). Using a sample of vehicle owners from recent vehicle purchase records, the survey asks the owners a variety of questions about their new vehicles such as those that follow. For each question, state whether the data collected are categorical or quantitative and indicate the measurement scale being used. What price did you pay for the vehicle? b. How did you pay for the vehicle? (Cash, Lease, or Finance) How likely would you be to recommend this vehicle to a friend? (Definitely Not, Probably Not, Probably Will, and Definitely Will) d. What is the current mileage? What is your overall rating of your new vehicle? A 10-point scale ranging from 1 for unacceptable to 10 for truly exceptional was used. a. с. e.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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1. J. D. Power and Associates conducts vehicle quality surveys to provide automobile man- ufacturers with consumer satisfaction information about their products (Vehicle Quality Survey, January 2010). Using a sample of vehicle owners from recent vehicle purchase records, the survey asks the owners a variety of questions about their new vehicles such as those that follow. For each question, state whether the data collected are categorical or quantitative and indicate the measurement scale being used. What price did you pay for the vehicle? How did you pay for the vehicle? (Cash, Lease, or Finance) How likely would you be to recommend this vehicle to a friend? (Definitely Not, Probably Not, Probably Will, and Definitely Will) d. What is the current mileage? e. What is your overall rating of your new vehicle? A 10-point scale ranging from 1 for unacceptable to 10 for truly exceptional was used. a. b. с. Indicate BOTH type of data (quantitative or categorical) AND scale of measurement to use for each question in #1 above 2. The Food and Drug Administration (FDA) reported the number of new drugs approved over an eight-year period (The Wall Street Journal, January 12, 2004). Figure 1.9 provides a bar chart summarizing the number of new drugs approved each year. What is the variable of interest? a. What is the variable of interest? b. Are the data categorical or quantitative? c. Are the data time series or cross-sectional? d. Comment on the trend in the number of new drugs approved by the FDA over the eight- year period. FIGURE 1.9 NUMBER OF NEW DRUGS APPROVED BY THE FOOD AND DRUG ADMINISTRATION 60 1996 1997 1998 1999 2000 2001 2002 2003 Year Number of New Drugs
Transcribed Image Text:1. J. D. Power and Associates conducts vehicle quality surveys to provide automobile man- ufacturers with consumer satisfaction information about their products (Vehicle Quality Survey, January 2010). Using a sample of vehicle owners from recent vehicle purchase records, the survey asks the owners a variety of questions about their new vehicles such as those that follow. For each question, state whether the data collected are categorical or quantitative and indicate the measurement scale being used. What price did you pay for the vehicle? How did you pay for the vehicle? (Cash, Lease, or Finance) How likely would you be to recommend this vehicle to a friend? (Definitely Not, Probably Not, Probably Will, and Definitely Will) d. What is the current mileage? e. What is your overall rating of your new vehicle? A 10-point scale ranging from 1 for unacceptable to 10 for truly exceptional was used. a. b. с. Indicate BOTH type of data (quantitative or categorical) AND scale of measurement to use for each question in #1 above 2. The Food and Drug Administration (FDA) reported the number of new drugs approved over an eight-year period (The Wall Street Journal, January 12, 2004). Figure 1.9 provides a bar chart summarizing the number of new drugs approved each year. What is the variable of interest? a. What is the variable of interest? b. Are the data categorical or quantitative? c. Are the data time series or cross-sectional? d. Comment on the trend in the number of new drugs approved by the FDA over the eight- year period. FIGURE 1.9 NUMBER OF NEW DRUGS APPROVED BY THE FOOD AND DRUG ADMINISTRATION 60 1996 1997 1998 1999 2000 2001 2002 2003 Year Number of New Drugs
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