the work. 1. The time (in minutes) spent stopped in

the work.
1. The time (in minutes) spent stopped in rush-hour tra¢ c by 18 drivers was recorded and is tabulated
below. 50 52 49 53 53 58 40 30 41
62 61 51 60 71 59 64 22 35
Determine the following:
(a) Determine the mode of the data.
(b) Determine the range of the data.
(c) Determine the mean of the data. Show your work.
(d) Determine the variance of the data. Show your work.
(e) The standard deviation of the data.
(f) Determine the 70th percentile of the data. Show your work 

2(g) Determine the Five-Number Summary of the data. Show your work.
(h) Construct a box plot for the data.

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