
Concept explainers
To Find:Measure of variation of his golf scores

Answer to Problem 10PPS
Range =
Upper quartile =
Lower quartile =
Interquartile range=
No outlier
Explanation of Solution
Given:Rondell’s golf score at the end of the high school golf tournament is
Find the measure of variation of his golf scores. Explain what measures of variation tell you about the data,
Finding range Highest age =
Lowest age =
Then
Range = highest age − lowest age
The range is
Median =
Finding Upper quartile and lower quartile of rose bowl
The median of the data is
Arranging the data in the ascending order
Upper quartile
Lower quartile
For finding interquartile range Interquartile range = Upper quartile − lower quartile
Now,
Multiply the interquartile range by
We get
Now subtract
I.e.
Thus
There is no outlier in the data
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