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CHAPTER 2—DESCRIPTIVE STATISTICS: TABULAR AND GRAPHICAL PRESENTATIONSMULTIPLE CHOICE1.A frequency distribution is a tabular summary of data showing thea.fraction of items in several classesb.percentage of items in several classesc.relative percentage of items in several classesd.number of items in several classesANS:DPTS:1TOP:Descriptive Statistics2.A frequency distribution isPTS:1TOP:Descriptive Statistics3.A tabular summary of a set of data showing the fraction of the total number of items in several classes is aPTS:1TOP:Descriptive Statistics4.The relative frequency of a class is computed byPTS:1TOP:Descriptive Statistics5.The percent frequency of a class is computed bya.multiplying the relative frequency by 10b.dividing the relative frequency by 100c.multiplying the relative frequency by 100d.adding 100 to the relative frequencyANS:CPTS:1TOP:Descriptive Statistics6.The sum of frequencies for all classes will always equalPTS:1TOP:Descriptive Statistics
7.Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20%in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are)PTS:1TOP:Descriptive Statistics8.A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3;West = 4. The designated geographical regions representPTS:1TOP:Descriptive Statistics