In order to calculate this value we must first understand what the lower quartile, median and upper quartile are: the lower quartile is the median of the lower half of the data. The \(\frac{(n+1)}{ ...

To find the interquartile range, subtract the value of the lower quartile Q1 from the value of the upper quartile Q3. A school librarian records the number of books borrowed in a school year by ...

The box spans from the first quartile to the third quartile, with a horizontal line representing the median. Whiskers extending from the box indicate variability outside the upper and lower quartiles.

According to ESPN, the Indianapolis Colts will not be in the “upper quartile of winners,” and certainly not in “the top ...