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Regression inference

Regression inference. 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.

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Regression inference

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  1. Regression inference

  2. 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. Slope inference • Estimate of slope • t* • SE of slope • 95% CI for true slope

  7. Interpretation of interval:

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