MEAN & MEDIAN REVIEW

Front

What is the mean?

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 calculate the mean of a set of numbers?

Back

Add all the numbers together and divide by the total number of values.

Front

What is the median?

Back

The median is the middle number in a sorted list of numbers. If there are two middle numbers, the median is the average of those two.

Front

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

Back

Sort the numbers in ascending order and identify the middle number.

Front

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

Back

Add them together and divide by 2.

Front

What is the first step in finding the median?

Back

Sort the numbers in ascending order.

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 numbers are 4, 5, 5, 2, 3, 3, 2, 8, what is the mean?

Back

The mean is 4.

Front

If the numbers are 12, 5, 9, 18, 22, 25, 5, what is the median?

Back

The median is 12.

Front

What is the median of the costs $345, $400, $110, and $640?

Back

The median cost is $372.50.