Question: The table below shows the advance days for a sample of 28 passengers after purchasing their airline tickets on a particular flight. 8 14 20

The table below shows the advance days for a sample of 28 passengers after purchasing their airline tickets on a particular flight.

8 14 20 11 11 3 7

16 18 0 14 0 7 15

29 0 9 4 29 28 20

43 21 9 105 3 15 17

(a) Construct a stem-and-leaf diagram for this data set.

(b) Find the mean, median, mode, range, inter-quartile range, standard deviation, and coefficient of variation of the data set.

(c) Which is the best measure of central tendency for the data set? Why?

(d) Which is the best measure of dispersion? Why?

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