Outliers Chapter 5.3 Data Screening. Outliers can Bias a Parameter Estimate.
Algebra 2 August 28/29. Opener: Outliers O How do we find outliers? O What are the outliers for the...
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Transcript of Algebra 2 August 28/29. Opener: Outliers O How do we find outliers? O What are the outliers for the...
Algebra 2August 28/29
Opener: Outliers
OHow do we find outliers?
OWhat are the outliers for the data in problem #1?
Opener
1. What would the advantage be in using a dot plot over a histogram or a box plot?
2. What information does the 5 number summary include?
Go back to yesterday’s launch
OCreate a spreadsheet using the following #O3,4,2,8,7,2,8,3,7,9,7OCreate a histogram
1. What direction is the shape moving towards?
Skew-ness
OWhat does this even mean?OSo, if what happen, than what?OMean vs. median
OQuestion: Make a ChoiceO(Mean/Median) is affected
the most by an outlier.
Standard Deviation
OWhat does that mean?
OHow do you find it?
OWhy should I care about this?
Show what you got!X Deviation
4
3
10
12
8
9
3
Homework
O“5 Number Summary day 2”