A Bloomberg Businessweek North American subscriber study collected data from a s

Question

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.

Explanation / Answer

A) Population of interest - North American subscribers of 'A bloomberg businessweek'

B) Annual income is a quantitative variable

C) Ownership of American Express card is a categorical variable

D) This is a cross sectional study as the data is collected at a particular point of time

E) At least 9% of the subscribers who have an annual income of $75,000 or more is having an american express credit card

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