Inference with Computer Printouts. Leaning Tower of Pisa Find a 90% confidence interval. Year75777880818283848587 Lean642656667688696698713717725757.

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Presentation transcript:

Inference with Computer Printouts

Leaning Tower of Pisa Find a 90% confidence interval. Year Lean

Coefficie nts Standard Errort StatP-value Lower 95% Upper 95% Intercept Year E Leaning Tower - Excell Regression Statistics Multiple R R Square Adjusted R Square Standard Error Observations10

Predictor Coef SE Coef T P Constant Year S = R-Sq = 98.4% R-Sq(adj) = 98.2% Leaning Tower - Minitab

The following data is based on x (height in inches) and y (weight in lb) based on a sample of 10. Find a 90% confidence interval to estimate the slope. Predictor Coef SE Coef T P Constant Height S = R-Sq = 81.9% R-Sq(adj) = 79.6%

The following data is based on x (height) and y (weight). Is there a relationship? Predictor Coef SE Coef T P Constant Height S = R-Sq = 81.9% R-Sq(adj) = 79.6%

The following is the regression analysis of y = maximum benchpress (MAX) and x = # of 60-pound Bench Presses (BP). Find a 95% CI. Use n = 10 PredictorCoefSE CoefTP Constant BP R-Sq = 64.3%

The following is the regression analysis of y = maximum benchpress (MAX) and x = # of 60-pound Bench Presses (BP). Are they related? Use n = 10 PredictorCoefSE CoefTP Constant BP R-Sq = 64.3%

The following shows they car weight (in lb) and the mileage (mpg) of 25 different models. PredictorCoefSE CoefTP Constant BP R-Sq = 64.3% 1.Give the prediction equation. 2.State & interpret the slope & y-int

The following shows they car weight (in lb) and the mileage (mpg) of 25 different models. PredictorCoefSE CoefTP Constant BP R-Sq = 64.3% 1.What is the correlation coefficient? 2.Estimate 

Homework Worksheet