12-3 Solve It!
A good player
scores a lot of
points and makes
a lot of assists.
Refer to the data at the right.
Which basketball player would you
rather have on your team? Justify
your answer.
Game
1
Player 1
Player 2
Points Assists
12
8
4
2
10
3
15
4
4
11
5
5
12
3
Points
Assists
23
5
10
4
12
2
25
3
5
2
12-3 Lesson Quiz
1. What are the mean, median, and mode of the
number of cars washed at a car wash over
the past 12 days? Which measure of central
tendency best describes the data?
Number of Cars
42
71
55
21
67
86
36
45
44
50
52
67
2. Do you UNDERSTAND? Lucinda has quiz scores of 18, 15, 14,
16, and 15 this quarter. What score must she earn on her next
quiz to have an average score of 16 for the quarter?
3. The table below shows the prices of 8 different treadmills at
a sporting goods store. This week the store is having a 10%
off sale on all treadmills. What are the mean, median, mode,
and range of the discounted prices?
Treadmill Prices
$640
$810
$755
$810
$1175
$900
$1080
$530
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Answers
Solve It!
Lesson Quiz
Answers may vary. Sample: both
players are about the same.
While Player 2 scored more
points on average, Player 1
makes more assists leading to
points.
1. mean: 53 cars; median: 51
cars: mode: 67 cars; Sample
answer: The mean or median
are the best measures of
central tendency. The mode
is too high.
2. 18
3. mean: $753.75; median:
$729; mode: $729; range:
$580.50
Prentice Hall Algebra 1 • Solve It/Lesson Quiz on Transparencies
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