The most frequently used measures of central tendency for quantitative data are the mean and the median.
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The most frequently used measures of central tendency for quantitative data are the mean and the median. The following table shows civil service examination scores from 24 applicants to law enforcement jobs:
83748579
82677870
18936427
93988278
68828399
96629358
Using Excel, find the mean, standard deviation, and 5-number summary of this sample.
- Construct and paste a box plot depicting the 5-number summary.
What is the interpretation of the standard deviation?
- Does the dataset have outliers? If so, which one(s)?
- Would you prefer to use the mean or the median as this dataset's measure of central tendency? Why?
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