Measures of Center
Presentation
•
Mathematics
•
5th - 6th Grade
•
Hard
James Gonzalez
FREE Resource
8 Slides • 15 Questions
1
Measure of Center
2
Measure of Center
Order the data. For a set with an odd number of values, the median is the middle value. For a set with an even number of values, the median is the mean of the two middle
values.
3
Median
Order the data. For a set with an odd number of values,
the median is the middle value. For a set with an even
number of values, the median is the mean of the two middle
values.
4
Example of Median
5, 8, 9, 12, 14
The Median is 9
2, 3, 5, 7, 10, 11
The Median is 6
5
Multiple Choice
Find the Median
10, 13, 9, 4, 7, 10, 12, 11
4
9
10
11
6
Multiple Choice
Find the Median
51, 45, 47, 48, 48, 50, 52, 53
48
49
50
51
7
Multiple Choice
Find the Median
82, 68, 54, 100, 78, 92, 74
78
68
74
54
8
Multiple Choice
Find the Median
2.8, 3.6, 3.8, 4.1, 2.8, 3.7, 4.3
3.3
3.5
3.6
3.7
9
Mode
The mode of a data set is the value or values that occur most often. Data can have one mode, more than one mode, or no mode. When all values occur only once, there is no mode.
10
Mode Example
11, 13, 15, 15, 18, 21, 24, 24
The modes are 15 and 24
11
Multiple Choice
M, L, K, K, L, L, M, M, M, K, M, M, K, M, K, L
K
L
M
12
Multiple Choice
red, red, blue, green, green, blue, red, red, blue, blue, red, green
red
blue
green
13
Outlier
An outlier is an observation that lies an abnormal distance from other values in a random sample from a population.
14
Outlier Example
76, 92, 84, 12, 78, 88, 85
12 is the outlier because it does not fit in with this data
15
Multiple Choice
Find the outlier in this set of data.
71, 75, 24, 64, 71, 66, 70
71
64
24
66
16
Fill in the Blanks
Type answer...
17
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the Mode of the above data?
29
31
34
36
18
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the Median without the outlier?
32
33
34
36
19
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the Median with the outlier?
29
30
31
32
20
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the mode of the data without the outlier?
36
34
29
5
21
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the mode of the data with the outlier?
36
34
26
5
22
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the mean of the data without the outlier?
29
31
32
33
23
Multiple Choice
Seven students complete 29, 31, 32, 5, 34, 36, and 36 math problems in a math competition. Find the mean, median, and mode of the data with and without the outlier.
What is the mean of the data with the outlier?
29
30
31
32
Measure of Center
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