Mean, Median, Mode, and Range

Front

What is the mean of a set of numbers?

Back

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

Front

How do you calculate the median of a data set?

Back

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

Front

What is the mode of a data set?

Back

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

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is another term for the mean?

Back

Average.

Front

How do you find the average of a set of numbers?

Back

Add all the numbers together and divide by the total number of items in the set.

Front

Given the data set 3, 5, 7, 9, 11, 8, 3, what is the median?

Back

The median is 7.

Front

In the data set 6, 5, 5, 9, 8, 7, 9, what are the modes?

Back

The modes are 5 and 9.

Front

What is the formula for calculating the range?

Back

Range = Maximum value - Minimum value.

Front

If a data set has no repeating numbers, what can be said about its mode?

Back

The data set has no mode.