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Concept explainers
To find:the range, interquartile range, and any outliers for the given data
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Answer to Problem 13.3.1EP
The range is
Explanation of Solution
Given:
Calculation:
Range:
Order the data from least to greatest.
Range is the difference between greatest and smallest value.
Hence, the range is
Inter quartile range:
Find the upper quartile and lower quartile.
Here median is
Divide the data into two halves.
Median of lower half is
Median of upper half is
Inter quartile range is
Hence, the inter quartile range is
OutlierData that are more than 1.5 times the value of the interquartile range beyond the quartiles is called outlier.
Here inter quartile range is 42
Now subtract 63 from the lower quartile and add to upper quartile.
Thus the data which is not in the range of -27 to 141 is outlier.
Here outliers are
Conclusion:
Therefore, the range is
Chapter SH Solutions
Pre-Algebra Student Edition
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