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The median is the middle value.

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

3, 3, 6, 13, 100

The median is 6.

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

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.

3, 3, 6, 13, 100

The mode is 3.

The mean is the total of the numbers divided by how many numbers there are.

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

6 + 3 + 100 + 3 + 13 125

125 ÷ 5 = 25

The mean is 25.

The mean is not always a whole number.

The range is the difference between the biggest and the smallest number.

To find the range, subtract the lowest number from the biggest number.

3, 3, 6, 13, 100

100 - 3 = 97

The range is 97.