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# exam 1 - Exam 1 1 Refer to the Real Estate data at the back...

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Exam 1 1.) Refer to the Real Estate data at the back of the text, which report information on homes sold in the Denver, Colorado area last year. Consider the following variables: selling price, number of bedrooms, township, and distance from the center of the city. i. Which of the variables are qualitative and which are quantitative? b.) Determine the level of measurement for each of the variables. Selling price in \$000 – quantitative, ratio-level ( its numerically and the 0 point is meaningful) Number of bedrooms – quantitative, ratio-level ( its numerically and the 0 point is meaningful) Distance from the center of the city in miles – quantitative, ratio-level ( its numerically and there is distance between values) Township – qualitative, nominal-level ( its nonnumeric and it can only be classified.) 2.) Midland National Bank selected a sample of 40 student checking accounts. Below are their end-of-the-month balances. a. Tally the data into a frequency distribution using \$100 as a class interval and \$0 as the starting point. frequency 0-100 9 100-200 6 200-300 6 300-400 6 400-500 5 500-600 2 600-700 1 700-800 3 800-900 1 900-1000 1

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b. Draw a cumulative frequency polygon.
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