[EX02-219] USA Today (October 25, 1994)

reported in the USA Snapshot “Mystery of the remote”

that 44% of the families surveyed never misplaced the family television remote control, 38%

misplaced it one to five times weekly, and 17%

misplaced it more than five times weekly. One percent of the families surveyed didn’t know. Suppose you took a survey that resulted in the following data. Let x be the number of times per week that the family’s television remote control gets misplaced.

x 0 1 2 3 4 5 6 7 8 9 f 220 92 38 21 24 30 34 20 16 5

a. Construct a histogram.

b. Find the mean, median, mode, and midrange.

c. Find the variance and standard deviation.

d. Find Q1, Q3, and P90.

e. Find the midquartile.

f. Find the 5-number summary and draw a boxand-

whiskers display.