1. Descriptive Statistics: Measures of Variability
Interquartile Range Rule for Identifying Outliers
Consider the following sample of #13# scores:
\[75,\,\,\,90,\,\,\,76,\,\,\,88,\,\,\,81,\,\,\,89,\,\,\,82,\,\,\,83,\,\,\,83,\,\,\,85,\,\,\,84,\,\,\,87,\,\,\,81\]
Calculate the interquartile range.
| #\text{IQR}=# |
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