Mean, Median, Mode, and Range

Front

What is the mode of a data set?

Back

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

Front

What is the median?

Back

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

Front

How do you find the mean of a data set?

Back

To find the mean, add all the numbers together and divide by the number of items in the set.

Front

What is the range of a data set?

Back

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

Front

What is another word for mean?

Back

Average.

Front

If a data set is 6, 5, 5, 9, 8, 7, 9, what is the mode?

Back

5 and 9.

Front

What is the first step to find the median?

Back

Arrange the numbers in order from least to greatest.

Front

In the data set 445, 516, 618, 575, 288, what is the mean?

Back

488.4.

Front

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

Back

Take the average of the two middle numbers.

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all items) / (Number of items).