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Mathematics, 05.05.2020 05:01 starswarsfan

A researcher wanted to predict the total cholesterol (mg/100ml) using weight (kg) as the predictor variable. The output from the analysis is given below. Using the output, please answer the following questions? Use ŷ to predict the total cholesterol for a subject who weighs 70kg. Find the coefficient of determination and explain what this means in the words of the problem? Find and interpret 95% Confidence interval for B. Do you think weight is a good predictor of total cholesterol, Explain? Regression Statistics Multiple R 0.265293 R Square 0.070381 Standard Error 76.65431 Observations 25 ANOVA Source df SS MS F Regress 1 10231 10231 1.741 Residual 23 135145 5875.8 Total 24 145377 Coeff Std Err t Stat P-value Lower 95% Upper 95% Intercept 199.3 85.82 2.322 0.0294 21.77 376.825 Weight 1.62 1.229 1.32 0.1999 -0.921 4.1656

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