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9.Categorical data can be graphically represented by using a(n)a.histogramb.frequency polygonc.ogived.bar chartANS:DPTS:1TOP:Descriptive Statistics10.A cumulative relative frequency distribution shows11.If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the12.The sum of the relative frequencies for all classes will always equal13.The sum of the percent frequencies for all classes will always equala.oneb.the number of classes
c.the number of items in the studyd.100ANS:DPTS:1TOP:Descriptive Statistics14.The most common graphical presentation of quantitative data is a15.The total number of data items with a value less than the upper limit for the class is given by the16.The relative frequency of a class is computed by17.In constructing a frequency distribution, the approximate class width is computed asa.(largest data value - smallest data value)/number of classesb.(largest data value - smallest data value)/sample sizec.(smallest data value - largest data value)/sample sized.largest data value/number of classesANS:APTS:1TOP:Descriptive Statistics
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Descriptive statistics, Frequency distribution, Histogram