Question

What is the mean and median of the data set

Answer 1

The mean of a data set is the sum of the data divided by the total number of data.

The median of a data set is the middle number in the set (after the numbers have been arranged from least to greatest, or, if there is an even number of data, the median is the average of the two middle numbers.

You have the next data set:

`\begin{gathered} \lbrace11,11,11,11,12,12,12,13,13,13,13,13,13,14,15,15,15,15,15, \\ 15,16,16,16,16,16,17,17,17\rbrace \end{gathered}`

A total of 28 data.

The mean is equal to the sum of the 28 numbers and then divided into 28: