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ANS:a.b.b.c.Hours ofRelativePercentCum.Sick Leave TakenFreq.Freq.Freq.Freq.10 - 1960.2020620 - 29110.37371730 - 3950.16162240 - 4960.20202850 - 5920.07730d. 22PTS:1TOP:Descriptive Statistics20.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 PricePercentCum.Percent(In Thousands of Dollars)Freq.Freq.Freq.Freq.20 - 3911011040 - 5922033060 - 7944077080 - 99220990100 - 11911010100c. 70%PTS:1TOP:Descriptive Statistics21.The test scores of 14 individuals on their first statistics examination are shown below.9587524377847875639281839188Construct a stem-and-leaf display for these data.PTS:1TOP:Descriptive Statistics22.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 MajorGraduate SchoolBusinessEngineeringOthersTotalYes354263140No9110465260Total126146128400a.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:1TOP:Descriptive Statistics