Math 225n Week 8 Assignment Coefficient Of Determination

MATH 225N Week 8 Assignment Coefficient of Determination Compute and interpret the coefficient of determination Question A medical experiment on tumor growth gives the following data table. The least squares regression line was found. Using technology, it was determined that the total sum of squares (SST) was 3922.8 and the sum of squares of regression (SSR) was 3789.0. Calculate R2, rounded to three decimal places. CORRECT ANSWER: 0.966 Correct! You nailed it. R2=SSRSST R2=3789.03922.8 R2=0.966 Compute and interpret the coefficient of determination Question A scientific study on mesothelioma caused by asbestos gives the following data table. xy573861506376689772113Micrograms of asbestos inhaledArea of scar tissue (cm2)581626218963188Using technology, it was determined that the total sum of squares (SST) was 1421.2 and the sum of squares due to error (SSE) was 903.51. Calculate R2 and determine its meaning. Round your answer to four decimal places. Correct answer: R2=0.3643. Great work! That's correct. Therefore, 36.43% of the variation in the observed y-values can be explained by the estimated regression equation. R2=1SSESST R2=1903.511421.2 R2=10.6357 R2=0.3643 R2=36.43%. Compute and interpret the coefficient of determination Question A new mine opened and the number of dump truck loads of material removed was recorded. The table below shows the number