A Bloomberg Businessweek North American subscriber study collected data from a sample of 2861 sub-scribers. Fifty- nine percent of the respondents indicated an annual income of $ 75,000 or more, and 50% reported having an American Express credit card. a. What is the population of interest in this study?  b. Is annual income a categorical or quantitative variable?   c. Is ownership of an American Express card a categorical or quantitative variable?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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A Bloomberg Businessweek North American subscriber study collected data from a sample of 2861 sub-scribers. Fifty- nine percent of the respondents indicated an annual income of $ 75,000 or more, and 50% reported having an American Express credit card.

a. What is the population of interest in this study? 

b. Is annual income a categorical or quantitative variable?

  c. Is ownership of an American Express card a categorical or quantitative variable? 

d. Does this study involve cross- sectional or time series data? 

e. Describe any statistical inferences Bloomberg Businessweek might make on the basis of the survey.

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