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

What is the difference between mean and median?

Back

The mean is the average of all numbers, while the median is the middle value when the numbers are sorted.

Front

If the mode of a data set is 94, what does that indicate?

Back

It indicates that more students received a score of 94 than any other score.

Front

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

Back

It means that no number appears more than once in the data set.

Front

What is an example of finding the mean? Calculate the mean of 4, 2, 5, 6, 3.

Back

The mean is (4 + 2 + 5 + 6 + 3) / 5 = 4.

Front

What is an example of finding the median? Find the median of 4, 2, 7, 4, 3.

Back

First, sort the numbers: 2, 3, 4, 4, 7. The median is 4.

Front

What is the range of the following data set: 18, 4, 12, 2, 13, 18, 2, 2, 10?

Back

The range is 18 - 2 = 16.