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Concept explainers
To Find: To find the measures of variability and outliers if any of the given data.
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Answer to Problem 4IP
The answer is
and the outlier is 150
Explanation of Solution
Given information:Sales of computer games.
Formula used:
Calculation:
Since, the given data is 89, 90, 80, 100, 92, 104, and 150.
Arranging the data in ascending order
80, 89, 90, 92, 100, 104, 150.
Now, the range of the given data is
Also, first and third quartile are
and
Thus, Inter-quartile range is
Calculation of Mean and Variance
Calculation of standard deviation
Calculation of Outliers
Which is not exist in the given set of data, also
Since,
Therefore, the outlier is 150.
Hence, the required measure of variability is
Chapter 10 Solutions
Glencoe Math Accelerated, Student Edition
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