median formula for grouped data The idea of grouped data can be illustrated by considering the following raw data set: Table 1: Time taken (in seconds) by a group of students answer a simple math question 20 25 24 33 13 26 8 19 31 11 16 21 17 11 34 14 15 21 18 […]

what is median in math In the theory of probability and statistics, a median is a number. This number has the property that it divides the set of observed. The values into two equal halves so that half the value is below and half is above. If there is a finite number of elements, […]