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Regression inference.

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Presentation on theme: "Regression inference."— Presentation transcript:

1 Regression inference

2 Infants who cry easily may be more easily stimulated than others
Infants who cry easily may be more easily stimulated than others. This may be a sign of higher IQ. A snap of a rubber band on the sole of the foot caused the infants to cry. They later measured the children's IQ at age three years using the Stanford-Binet IQ test.

3 Crying and IQ

4 Explanatory variable Response variable Correlation: Coefficient of determination:

5 Regression model Sample SD about residuals (standard error or SE)

6

7 Slope inference Estimate of slope t* SE of slope 95% CI for true slope

8 Interpretation of interval:


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