Question

What is the mean, median and mode for this list of integers: 21, 15, 16, 25, 13, 18?

Answer 1

There is no mode.
Median =17.
Mean = 18

Explanation:

The first step is to arrange them in order.

`13," "15," "16," "18," "21," "25`

The mode, median and mean are all different types of averages..

There is no mode because each number occurs only once.
No number appears more often than any other.

The median means the value in the middle. In this case there are two numbers in the middle: `16 and 18`

The median is the average of these: Median = `(16+18)/2 = 17`

The mean is the one that is usually called the average. It is one value which represents them all.

Mean = `"sum of all the values"/"the number of values"`

Mean = `(13+15+16+18+21+25)/6 =108/6 =18`