Using Integers with Mean, Median, and Mode

1
Using Integers with Mean, Median, and Mode
COURSE 3 LESSON 1-6
The prices of new books bought for the library
are in dollars below. How does the outlier affect
the mean?
7.95, 5, 12.05, 10, 6.25, 8, 56, 8.75, 9, 7
56 is an outlier because it is 43.95 away from
the closest data value.
The outlier raises the mean about 4.80.
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2
Using Integers with Mean, Median, and Mode
COURSE 3 LESSON 1-6
Is the mean, median, or mode the best measure
for each data set below? Explain.
a. the most popular truck color
Mode use the mode when the data are not
numerical.
b. the number of pets per household.
Median use the median when outliers are likely.
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3
Using Integers with Mean, Median, and Mode
COURSE 3 LESSON 1-6
Use the data set below. 0, 2, 3, 9, 1, 2, 1,
3, 2 1. Find the mean. 2. Find the
median. 3. Find the mode. 4. Find the
range. 5. Find the outlier.
1
0
2
11
9
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