AATS
12.1 – 12.2 Review
Name: ____________________
Date: ___________ Period: ____
1. An electronics store placed an ad in the newspaper showing five flat-screen TVs for sale. The ad
says, “Our flat-screen TVs average $695.” The prices of the flat-screen TVs are $1200, $999,
$1499, $895, $695, $1100, $1300, and $695.
a) Find the mean, median and mode of the prices.
b) Which measure is the store using in its ad? Why do you think they chose it?
c) As a customer, which measure would you want to see advertised? Explain your answer.
2. The number of snow days missed during the past 20 years are: 1, 2, 3, 4, 4, 1, 3, 1, 3, 2, 2, 2, 4, 1,
3, 5, 3, 2, 3, 4.
a) Make a frequency table for the number of snow days missed.
Number of
Snow Days
Frequency
b) Make a histogram based on the frequency table in part a.
3. The table at the right gives the number of each type of vehicle on a car dealer’s lot. Make a
circle graph to represent this data.
Type
Cars (not sports cars)
Sports Cars
Trucks
SUVs
Number
50
22
30
28
Relative
Angle
Frequency (degrees)
Cars
Sports Cars
Trucks
SUVs
4. Make a stem-and-leaf plot for the data set:
4, 4, 37, 28, 3, 29, 15, 12, 30, 16, 17, 24, 16, 28, 5, 28, 29
Stem
Leaf
Median: ________
Mode (s): _________