ANS a b b c Hours of Relative Percent Cum Sick Leave Taken Freq Freq Freq Freq

# Ans a b b c hours of relative percent cum sick leave

• Test Prep
• 23
• 100% (7) 7 out of 7 people found this document helpful

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

ANS: a. b. b. c. Hours of Relative Percent Cum. Sick Leave Taken Freq. Freq. Freq. Freq. 10 - 19 6 0.20 20 6 20 - 29 11 0.37 37 17 30 - 39 5 0.16 16 22 40 - 49 6 0.20 20 28 50 - 59 2 0.07 7 30 d. 22 PTS: 1 TOP: Descriptive Statistics 20.The sales records 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.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 21.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 22.A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to
graduate school. Undergraduate Major Graduate School Business Engineering Others Total Yes 35 42 63 140 No 91 104 65 260 Total 126 146 128 400 a.Are a majority of the seniors in the survey planning to attend graduate school?b.Which discipline constitutes the majority of the individuals in the survey?c.Compute row percentages and comment on the relationship between the students' undergraduate major and their intention of attending graduate school.d.Compute the column percentages and comment on the relationship between the students' intention of going to graduate school and their undergraduate major. ANS: PTS: 1 TOP: Descriptive Statistics