Question

State which measure of center, or measure of spread, represents the situation. A company finds the difference between the lightest and the heaviest packages it ships.

Answer 1

The difference between the minimum data point and the maximum data point is called the range. This is a measure of spread.
Other measures of spread include the interquartile range/IQR, which helps eliminate outliers, the standard deviation, and the mean absolute deviation. Measures of central tendency include the mean, median & mode.