Mathematics, 05.09.2020 01:01, jessicalivchits8486
A Bloomberg BusinessWeek North American subscriber study collected data from a sample of 2861 subscribers. Fifty-nine percent of the respondents indicated an annual income of $75,000 or more, and 50% reported having an American Express credit card.1. What is the population of interest in this study?2. Is annual income a qualitative or quantitative variable?3. Is ownership of an American Express card a qualitative or quantitative variable?4. Does this study involve cross-sectional or time series data?5. Determine whether the following two statistical inferences may be made based on the sample data collected. An estimated 59% of the population of subscribers has an annual income of $75,000 or more. An estimated 60% of the population of subscribers has an American Express credit card.
Answers: 1
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Which of the following is the true for f(x) = 5cos
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Mathematics, 21.06.2019 20:30, 20calzoy
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Answers: 2
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