Mean, Median, Mode, and Range

Front

What is the mean of the numbers 9, 9, 18?

Back

12

Front

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

Back

Add the two numbers together and divide by 2.

Front

To find the average of a set of numbers, what do you divide the total by?

Back

The number of items in the set.

Front

What is the mode?

Back

The number that appears most often.

Front

True or False: In order to find the median, the data must be sorted from least to greatest first.

Back

True

Front

What is the formula to calculate the mean?

Back

(Sum of all numbers) ÷ (Total number of items)

Front

If the numbers are 3, 7, 7, 2, what is the mode?

Back

7

Front

What is the range of the numbers 5, 10, 15?

Back

10 (15 - 5 = 10)

Front

How do you find the median of the numbers 1, 3, 3, 6, 7, 8, 9?

Back

The median is 6.

Front

What is the first step in finding the median?

Back

Sort the numbers from least to greatest.