OUTLIERS AND SKEWED DATA WARM UP Find the
- Slides: 20
OUTLIERS AND SKEWED DATA
WARM UP Find the mean, median, mode and range of the following data: 3, 4, 5, 3, 5, 7, 9, 3, 8
OBJECTIVE The student will be able to identify outliers and how they affect data sets.
EXPLORATION Matapeake Middle School Basketball Team Spreadsheet.
STANDARD DEVIATION Standard Deviation is a measure of how spread the set of numbers are in a data set. Things needed to calculate standard deviation: Mean Variance These are used to then calculate the standard deviation
WITH A PARTNER Find the Outlier of the Data and Determine how it will Skew the Data: 1, 100, 2, 5, 3, 7, 3, 6, 10
OUTLIERS AND SKEWED DATA Outliers are pieces of data that “don’t” fit within the data set. They are either too large or too small. Data has a shape to its graph and outliers can affect the shape of their graph.
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WITH A PARTNER: Determine How the data is skewed:
VARIANCE AND STANDARD DEVIATION: Variance: The average squared differences from the mean Standard Deviation: Is the square root of the Variance Uses the lower case Greek letter Sigma:
EXAMPLE
CONTINUED… Find the Mean: Calculate the difference between each height and the mean.
CONTINUED
CONTINUED… Calculate Variance:
CONTINUED… Calculate the Standard Deviation: The square root of the Variance
WITH A PARTNER… Find the standard deviation of the following: 2, 3, 4, 2, 4, 3, 4
EXIT TICKET AND HOMEWORK Exit Ticket: What does a negatively skewed graph look like? Homework: Worksheet.
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- Outliers and influential points
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- Unimodal skewed
- Outliers summary chapter 4
- Five number summary outliers
- What is the matthew effect in outliers
- Logistic regression outlier
- Correlation outliers
- Malcolm gladwell book genre
- Outliers book chapters
- Outliers vocabulary with page numbers
- Skewed t-joint weld symbol
- Intuition examples
- Compound gates in vlsi
- Skewed gates
- Right skewed mean, median
- 12-2 frequency and histograms worksheet answers
- Janos ertl
- Skewed left density curve
- Positively skewed