Mean, Median, Mode, and Range

Front

What is the mean in statistics?

Back

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

Front

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

Back

To find the median, arrange the numbers in order and identify 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 in a set of numbers?

Back

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

Front

What is the range of a set of numbers?

Back

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

Front

Given the numbers 11, 11, 7, 18, 8, what is the correct order to find the median?

Back

7, 8, 11, 11, 18

Front

Calculate the mean of the numbers 1, 0, 1, 5, 0, 3, 4.

Back

The mean is 2.

Front

What is the median of the numbers 36, 42, 28, 52, 48, 36, 31?

Back

The median is 36.

Front

Which of the following is not a measure of center: mean, median, mode, or range?

Back

Range is not a measure of center; it is a measure of spread.

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

If the numbers are 5, 10, 15, 20, what is the range?

Back

The range is 20 - 5 = 15.