Help with statistics homework

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Question description

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.

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

1. American Express credit card hold

b. Is annual income a categorical or quantitative variable?

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

d.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

a. the datd support this inference

b. the data do not support this inference

An estimated 60% of the population of subscribers has an American Express credit card

a.the data support this inference

b.the data do not support this inference

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