

Outlier Lesson
Presentation
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Katherine Morris
Used 2+ times
FREE Resource
3 Slides • 9 Questions
1
Outliers: Watch the following video, then continue on with the lessson.
2
Effect of Outliers:
Outliers skew the mean
If the outlier is high, it makes the mean higher, low it makes the mean lower.
Median is a better representation in the presence of outliers
3
Numbers OUTSIDE the fence are OUTLIERS
4
Multiple Choice
What measure of center is most greatly effected by outliers?
Mean
Median
Mode
Range
5
Multiple Choice
What measure of spread is most greatly effected by outliers?
Median
Mean Absolute Deviation
Range
Interquartile Range
6
Multiple Choice
In the data set: 1,2,3,4,2,3,6,15
The number 15 is an outlier. What would happen to the mean if you removed the outlier.
It would stay the same
It would increase
It would decrease
IDK
7
Multiple Choice
In the following data set:
200,250,276,300,400,325
Identify the outlier(s)
There are no outliers
The outlier is 400
The outlier is 200
The outliers are 200 and 400.
8
Fill in the Blank
Type answer...
9
Fill in the Blank
Type answer...
10
Fill in the Blank
Type answer...
11
Multiple Choice
Which measurement would change the most if you remove an outlier from a data set?
Mean
Median
IQR
Mode
12
Multiple Choice
In the following data set identify the outlier:
1,2,3,4,5,2,3,4,5,9,12
There is no outlier
The outlier is 9
The outlier is 12
There are two outliers, 9 and 12.
Outliers: Watch the following video, then continue on with the lessson.
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