Question
22)The following data show the lengths of 56 telephone calls made by an executive during last week. A)Determine the number of classes, the class width,
22)The following data show the lengths of 56 telephone calls made by an executive during last week.
A)Determine the number of classes, the class width, the class limits and the class boundaries.
B)Construct the frequency table to include: frequency, cumulative frequency, and relative frequency of each class,
B)Construct the histogram for the data.
C)Construct the Polygon diagram for the data.
Construct the Ogive diagram for the data
21) 1)The following data show the lengths of 56 telephone calls made by an executive during last week.
A)Compute the mean, median, mode, and midrange for each exam.
B)Compute the range, variance, standard deviation, and coefficient of variation for each exam.
C)How do these sets of data differ in terms of central tendency and variation?
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