The sum of the relative frequencies for all classes will always equal a. the sam

Question

The sum of the relative frequencies for all classes will always equal a. the sample size b. the number of classes c. one d. 100 A tabular summary of data showing the percentage of items in each of several nonoverlapping classes is a a. frequency distribution b. relative frequency distribution c. percent frequency distribution d. cumulative percent frequency distribution The percent frequency of a class is computed by a. multiplying the relative frequency by 10 b. dividing the relative frequency by 100 c. multiplying the relative frequency by 100 d. adding 100 to the relative frequency A graphical device for presenting categorical data summaries based on subdivision of a circle into sectors that correspond to the relative frequency for each class is a a. histogram b. stem-and-leaf display c. pie chart d. bar chart Categorical data can be graphically represented by using a(n) a. histogram b. frequency polygon c. ogive d. bar chart

Explanation / Answer

56. (c) 1

57. (a) frequency distribution

58. (c) multiplying the relative frequency by 100

59 (c) pie chart

60. (d) bar chart

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