## Mode

• 1). Sort your numbers from least to greatest. For example you might have this set of numbers: [1, 3, 6, 6, 8, 9].

• 2). Count the number of appearances for each individual number. In the example, each number appears once, except six, which appears twice.

• 3). Determine which number appears most frequently. Since six appears twice and nothing appears more than twice, six is the mode.

## Median

• 1). Sort your numbers from least to greatest. For example you might have the set of numbers: [1, 3, 6, 6, 8, 9].

• 2). Find the middle number. For example, if you have seven numbers total, then the fourth number of the sorted list is your median.

• 3). If there is no middle number because you have an even numbers of numbers, find the average of the two middle numbers. In the example, the two middle numbers are six and six, so the average of those is six and the median of the set is also six.

## Range

• 1). Sort your numbers from least to greatest. For example you might have the set of numbers: [1, 3, 6, 6, 8, 9].

• 2). Determine the number with the lowest value and the number with the highest value. In the example those are one and nine.

• 3). Subtract the number with the lowest value from the number with the highest value. One subtracted from nine is equal to eight. Eight is the range.

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