Question

BA 240 Common Final-L elem 018 10-year study conducted by the American Heart Association provided data on how age lheh blood pressure (Pressure) and the frequency of smoking per score of strokes (Score). A set of random samples of 42 people were randomly chosen to participate. week (Frequency) related to the risk Output 1 Model Output 2 Significance Parameter Significance r-square Adjusted Standared Model 1 1.224-11 1 slope not Significant 0.875215 Inte Model 2 0.00128 All slopes Significant 0.582535e Model 3 2.186-8 2 slopes not Significant o.885420P Model 4 7.28669 All slopes Significant Coeff. ErrorStat P-value 45.33 28456 1.208 0.007 2.185 1.561 2.074 0.004 Pressure3.581 1.074 1.075 0.037 0.668108Frequency 4583 3.584 3.352 .001 a) Based on Output 1, select the best model according to the following information. Circle the answer and explain. (2 points) Model 1 Model 2 Model 3 Model 4 Explain: b) Complete the ANOVA table above (7 points) F Sig F df MS 223.581 4.52E-10 Regression Residual Total 383.637 c) Find a 90% confidence interval for the slope of blood pressure (4 points) d) Find the coefficient of determination and interpret the result. (2 points) Version 1

Answer 1