Examlex
Which of the following statements about quantity discounts is false?
Mean
The average of a set of numbers, calculated by dividing the sum of all the values by the number of values.
Median
The middle value in a sorted list of numbers, which divides the data set into two halves.
IQR
Interquartile range, a measure of statistical dispersion being the difference between the 75th and 25th percentiles, or quartiles, in a data set.
Range
The difference between the highest and lowest values in a data set, giving an indication of the data's dispersion or variability.
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