Mean, Median, Mode, & Range

Front

What is the mean of a set of numbers?

Back

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

Front

How do you find the median of a data set?

Back

To find the median, first sort the data from least to greatest. If there is an odd number of values, the median is 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 of a set of numbers?

Back

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

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest number in the data set from the largest number.

Front

If the data set is 5, 11, 2, 12, 4, 2, what is the mean?

Back

The mean is 6.

Front

What does it mean if a data set has no mode?

Back

If a data set has no mode, it means that no number appears more than once.

Front

What is the first step in finding the median?

Back

The first step in finding the median is to sort the data from least to greatest.

Front

In the data set 18, 4, 12, 2, 13, 18, 2, 2, 10, what is the range?

Back

The range is 16.

Front

What is the median of the numbers 3, 1, 4, 2?

Back

The median is 2.5 (average of 2 and 3 after sorting).

Front

If the mode of a data set is 7, what does that indicate?

Back

It indicates that the number 7 appears more frequently than any other number in the data set.