The number at which approximately 25% of the data set falls at or below that value.
A brief overview of a data set consisting of the minimum, the first quartile, the median, the third quartile, and the maximum.
The values that divide the data set into four equal partitions.
The number at which approximately 50% of the data set falls at or below that value.
The number at which approximately 75% of the data set falls at or below that value.