How To Find The Mean, Median, And Mode (of A Set Of Data)

In everyday life, when someone talks about the average, they`re usually talking about the mean of a set of data. So, the "average rainfall this month" is the mean of the rainfall data in this month. But there are other averages, which can sometimes be more useful. Here we`ll look at each of them, but let s look at the most often quoted figure first

The mean is the total of the numbers (in a set of data) divided by how many numbers there are.

To find the mean, add all the numbers together then divide by the number of numbers.

Example 1: 6 + 3 + 100 + 3 + 13 = 125 5 = 25

The mean is 25.

Example 2: 16 + 33 + 105 + 23 = 177 4 = 44.25

The mean here is 44.25.

As you can see, the mean is not always a whole number.

The median is the middle value.

To find the median, order the numbers and see which one is in the middle of the list.

Example 1: 3, 3, 6, 13, 100 &- & the middle value is 6

So, the median is 6.

If there are two middle values the median is halfway between them. This might not be a whole number.

Example 2: 3, 3, 6, 7, 13, 100 &- & the middle value is midway between 6 and 7

So, the median is 6.5

The mode is the number that appears the most.

To find the mode, order the numbers lowest to highest and see which number appears the most often.

Example 1: 3, 3, 6, 13, 100 &- & 3 appears most often.

So, the mode is 3

Example 2: 13, 13, 16, 33, 33, 33, 100 &- & 33 appears most often.

So, the mode is 33.

I hope you found this article interesting and useful.