Macmillan Learning
Classify each histogram using the appropriate descriptions. First, identify whether each histogram is either unimodal or
bimodal. Second, identify any other descriptions that apply such as whether it is symmetric, skewed left or skewed right.
Frequency
30
Frequency
0
7th grade math test score distribution,
sample size = 137
10
50
40
30-
20-
10
30
50
Test scores
70
skewed left
Number of TVs per household,
sample size = 160
90
Frequency
Frequency
IQ distribution of high school graduates,
sample size = 45
50
8
6-
70
110 130
90
IQ (score)
symmetric
Height distribution of adults,
sample size = 42
H
Answer Bank
unimodal
skewed right
bimodal
skewed left
symmetric