Question

An article that appeared in USA Today (Septem ber 3, 2003) included a graph similar to the one shown here summarizing responses from polls conducted in 1978, 1991, and 2003 in which a sample of American adults were asked whether or not it was a good time or a bad time to buy a house.
a. Construct a time-series plot that shows how the percentage that thought it was a good time to buy a house has changed over time.
b. Add a new line to the plot from Part (a) showing the percentage that thought it was a bad time to buy a house over time. Be sure to label the lines clearly.
c. Which graph, the given bar chart or the time-series plot, best shows the trend over time?


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  • CreatedSeptember 19, 2015
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