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.
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: