flashcards
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Outlier Rule | Upper Bound = Q3 + 1.5(IQR) Lower Bound = Q1 – 1.5(IQR) IQR = Q3 – Q1
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What is an Outlier? | When given 1 variable data: An outlier is any value that falls more than 1.5IQR above Q3 or below Q1 Regression Outlier: Any data point that has a “large” residual
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Interpret a Z-score | A z-score describes how many standard deviations a value or statistic falls away from the population mean. The further the z-score is away from zero the more “surprising” the value of the statistic is.
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LSRL “b” (slope) | For every one unit change in the x-axis variable (context) the y-axis variable (context) is estimated to increase/decrease by ____ units (context).
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Wilsonmar
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