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 in the set.

Front

What is the median?

Back

The median is the middle number in a set of numbers when they are arranged in order from least to greatest.

Front

What is the mode?

Back

The mode is the number that appears most often in a set of numbers.

Front

What is the range?

Back

The range is the difference between the largest and smallest number 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 2, 3, 5, 7, and 11, what is the median?

Back

The median is 5, as it is the middle number when arranged in order.

Front

What is the mode of the set: 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently.

Front

What is the range of the numbers 4, 8, 15, 16, 23, 42?

Back

The range is 42 - 4 = 38.

Front

If you have the numbers 10, 20, 30, what is the mean?

Back

(10 + 20 + 30) / 3 = 20.

Front

What do you do if there are two middle numbers when finding the median?

Back

Add the two middle numbers together and divide by 2.