Box-Plot: graphical presentation of the Five-Number Summary ... Empirical Rule: the statement that tells what proportion of the data, approximately, falls within 1, 2, or 3 standard deviations around ...

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)}{ ...

The lightest player is 50 kg. FALSE - 75% of the players are over the lower quartile which is approximately 57 kg. The box plot shows the marks in a science test for a group of students.