The average of a set of data
mean
The highest point on a graph of data
peak
4, 5, 6, 7, 6, 8, 5, 7
6
8, 10, 11, 13, 15
11
5, 7, 3, 8, 6, 4, 10, 9
7
The middle of a set of data
median
When a bunch of data is really close to eachother
cluster
8, 9, 10, 11, 12, 10, 9, 11, 10
10
35, 25, 42, 39, 50
39
12, 15, 10, 8, 14, 18, 13, 11
10
The number that shows up the most in a set of data
mode
When there is a space in between numbers on a graph
gap
6, 7, 8, 9, 7, 8, 6, 9, 8, 6
7.5
17, 15, 10, 25, 22, 20, 18
18
25, 30, 28, 27, 35, 40, 32, 38
15
The highest number - the lowest number
range
What graph do we use to represent data with dots?
dot plot
50, 52, 54, 56, 58, 55, 55, 53, 57, 56, 57, 57
55
11, 9, 12, 13, 16, 14
12.5
150, 120, 200, 180, 250, 210, 170, 190
130
When a number is far away from the rest of the data
outlier
When a dot plot looks mostly the same on both sides, what do we call it?
symmetrical
10, 11, 12, 13, 14, 13, 12, 11, 13, 14, 14.5
12.5
9, 4, 5, 6, 7, 2
5.5
500, 550, 450, 600, 480, 530, 510, 490
150