22 In constructing a frequency distribution as the number of classes is increased the class width a remains unchanged b

Question

22 In constructing a frequency distribution as the number of classes is increased the class width a remains unchanged b decreases c increases d increases or decreases depending upon the data values e None of the above 23 In any sample data set the sum of the deviations from the mean c dividing the sample size by the relative frequency of the class d dividing the midpoint of the class by the sample size e None of the above always be a negative b greater than one C ZCTO d strictly positive e either positive or negative depending on whether the mean is negative or positive 24 The relative frequency of a class is computed by a dividing the frequency of the class by the sample size b dividing the sample size by range x must c 22 d 18 e None of the above 7 1 25 From a group of six people three individuals are to be selected at random How many possible selections are there Assume that the order of selection is NOT important a 20 b 15 c 0 60 d 0 50 e None of the above 26 Given A and B are independent events with P A 0 30 and P AB 0 24 then P B a 0 80 b 0 70

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