Mean
What is the mean?
the average of a set of numbers
What is the median?
the middle number
What is the mode?
the number that occurs the most
What is the range?
largest number minus the smallest number
1,2, 3, 5, 7, 9, 9
Find the mean.
5.1
Find the median.
7, 9, 12, 13, 16
12
True or False: There can be more than one mode.
True
4, 6, 9, 3, 7
6
10, 10, 20, 50
Find the mean
22.5
Find the median.
87, 88, 88, 90, 92, 93, 95, 96, 98
92
Find the mode.
1,2,4,4,6,7
4
6, 3, 78, 19, 90, 4
87
How do you find the mean?
Add all of your numbers together.
Divide by how many numbers you have.
How do you find the median?
Put the numbers in order from smallest to largest.
Work towards the middle by crossing out numbers on each end.
If you are left with 2 numbers, add those numbers together then divide by 2.
Find the mode.
7,9,10,3,3,9
3 and 9
How do you find the range?
You subtract the largest number from the smallest number
Find the mean
5, 15, 25, 10, 15
14
Find the median
2.7, 3.5, 5.1, 8.3
4.3
Find the mode.
68, 45, 30, 96, 26, 95, 43, 45
45
8, 11, 5, 9, 7, 6, 3616
3611