Mean, Median, Mode, and Range

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 number of items.

Front

What is the median?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of items, 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 set of numbers.

Front

What is the range?

Back

The range is the difference between the largest and smallest numbers in a set.

Front

How do you find the mean of 5, 10, and 15?

Back

(5 + 10 + 15) / 3 = 10.

Front

If the numbers are 12, 10, 10, 10, 13, 12, 11, 13, 10, what is the mode?

Back

The mode is 10, as it appears most frequently.

Front

Which is the middle number in the set 3, 1, 4, 2?

Back

The median is 2.5, as the numbers sorted are 1, 2, 3, 4.

Front

What is the range of the numbers 8, 3, 5, 10?

Back

The range is 10 - 3 = 7.

Front

If the scores are 94, 85, 94, 76, what can we say about the mode?

Back

The mode is 94, as it appears more than any other score.

Front

How do you calculate the median of 7, 3, 9, 1, 5?

Back

Sort the numbers: 1, 3, 5, 7, 9. The median is 5.