AP Stats Interpretations
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8 Terms
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Standard Deviation
The context typically varies by SD from the mean of
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Percentile
percentile % of context are less than or equal to value
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Correlation (r)
There is a (strength), positive/negative association between x context and y context
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Residual
The actual y-context is residual # above/below the predicted value where x-context = __
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Y-Intercept
The predicted y-context when x=0 context is __
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Slope
The predicted y-context increases/decreases by slope for each x-context
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Standard Deviation of Residuals
The actual y-context is typically about S away from the value predicted by the LSRL.
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r2
about r2% of the variability in y-context is accounted for by the LSRL.