The sales record of a real estate company for the month of May shows the

The sales record of a real estate company for the

  • Harvard University
  • ECON 232
  • Test Prep
  • eeasysemester
  • 23
  • 96% (28) 27 out of 28 people found this document helpful

This preview shows page 21 - 23 out of 23 pages.

19.The sales record of a real estate company for the month of May shows the following house prices (rounded to the nearest $1,000). Values are in thousands of dollars.105554585753060757995a.Develop a frequency distribution and a percent frequency distribution for the house prices. (Use 5 classes and have your first class be 20 - 39.)b.Develop a cumulative frequency and a cumulative percent frequency distribution for the above data.
Image of page 21
Full file at c.What percentage of the houses sold at a price below $80,000? ANS: a. a. b. b. Cum. Sales Price Percent Cum. Percent (In Thousands of Dollars) Freq. Freq. Freq. Freq. 20 - 39 1 10 1 10 40 - 59 2 20 3 30 60 - 79 4 40 7 70 80 - 99 2 20 9 90 100 - 119 1 10 10 100 c. 70% PTS: 1 TOP: Descriptive Statistics 20.The test scores of 14 individuals on their first statistics examination are shown below.9587524377847875639281839188Construct a stem-and-leaf display for these data. PTS: 1 TOP: Descriptive Statistics 21.A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduatemajor and whether or not they plan to go to graduate school.Undergraduate MajorGraduate SchoolBusinessEngineeringOthersTotalYes354263140No9110465260Total126146128400 ANS:
Image of page 22
Full file at a. No, majority (260) will not attend graduate school b. Majority (146) are engineering majors c. Undergraduate Major Graduate School Business Engineering Others Total Yes 25% 30% 45% 100% No 35% 40% 25% 100% Majority who plan to go to graduate school are from "Other" majors. Majority of those who will not go to graduate school are engineering majors. d. Undergraduate Major Graduate School Business Engineering Others Yes 27.8% 28.8% 49.2% No 72.2% 71.2% 50.8% Total 100% 100% 100% Approximately the same percentages of Business and engineering majors plan to attend graduate school (27.8% and 28.8% respectively). Of the "Other" majors approximately half (49.2%) plan to go to graduate school. PTS: 1 TOP: Descriptive Statistics
Image of page 23

You've reached the end of your free preview.

Want to read all 23 pages?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture