Mean, Median, and Mode

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

How do you find the median?

Back

To find the median, arrange the numbers in order and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode?

Back

The mode is the number that appears most frequently in a data set. A set may have one mode, more than one mode, or no mode at all.

Front

Calculate the mean of the following set: 10, 20, 30, 40, 50.

Back

Mean = (10 + 20 + 30 + 40 + 50) / 5 = 30.

Front

Find the median of this set: 3, 1, 4, 2, 5.

Back

Median = 3 (after arranging the numbers: 1, 2, 3, 4, 5).

Front

Determine the mode of the following numbers: 2, 3, 4, 2, 5, 3, 2.

Back

Mode = 2 (it appears most frequently).

Front

What is the median of the set: 7, 9, 5, 6, 8?

Back

Median = 7 (after arranging: 5, 6, 7, 8, 9).

Front

If a data set has no repeating numbers, what can you say about its mode?

Back

The mode is none, as there are no numbers that appear more than once.

Front

Calculate the mean of the following set: 5, 10, 15, 20.

Back

Mean = (5 + 10 + 15 + 20) / 4 = 12.5.

Front

What is the median of the following set: 12, 15, 10, 14, 13?

Back

Median = 13 (after arranging: 10, 12, 13, 14, 15).