Averages Flashcards
How you find the mean?
Add all the numbers together and divide by how many numbers there are.
How do you find the range?
The Largest number take away the smallest number
How do you find the median?
Order all the numbers from smallest to largest, the median is the middle of these numbers.
What is the mode?
The mode is the most common number in the list.
Can you find the mean of the following numbers
12, 15, 21, 28, 9, 13, 12, 18, 20, 19
Mean = 16.7
Can you find the mode of the following numbers
12, 15, 21, 28, 9, 13, 12, 18, 20, 19
Mode = 12
Can you find the median of the following numbers
12, 15, 21, 28, 9, 13, 12, 18, 20, 19
The two middle numbers are 15 and 18 so we have to go in the middle of these
Median = 16.5
Can you find the range of the following numbers
12, 15, 21, 28, 9, 13, 12, 18, 20, 19
19
