## Question

###### 3. The table summarizes data for a [fictional ] study veggigdod stressophil of the relationship between the concentration of Means 63.40 29.70 hormone called stressophil in Ltg and the ingestion std: dev' $ S, = 10.0217 S,= 6.84564 of a food substance, veggigood in grams. The sample size. is 12 correlation T= 0.83055 a)[2] Calculate the slope of the regression line Coefficient using the appropriate formula involving the statistics given in the table just above. Hint: USE THE FORMULAS in se

3. The table summarizes data for a [fictional ] study veggigdod stressophil of the relationship between the concentration of Means 63.40 29.70 hormone called stressophil in Ltg and the ingestion std: dev' $ S, = 10.0217 S,= 6.84564 of a food substance, veggigood in grams. The sample size. is 12 correlation T= 0.83055 a)[2] Calculate the slope of the regression line Coefficient using the appropriate formula involving the statistics given in the table just above. Hint: USE THE FORMULAS in sec: 12.3 for the Least-Squares Regression Line; Round to 4 significant digits . b)[2] Calculate the intercept of the regression line, using the given statistics. Round to significant digits. c)[2] Write out the sample regression equation for the data symbolically using the coefficients you found above Yyix Now fill in the contextually-styled equation as seen in research articles, using the variable names in the table abov (This may sEEm trivial but the point is that bY mindfully dping; we Iearn ] e)[2] Interpret the slope in English, beginning An increase of gram of linearly associated with f)[2] Because the residual sum of squares for regression; SSRe sidtul (I-r2 SS;Otal and the sample variance. SSJQtA the residual sum of squares can be found as SS KESIDUAL (1-r )(n-1)s} Calculate SSRESIDUAL using the statistics given above: precise to decimal places. g)[2] Now; find the Residual Standard Deviation for the data , Se RESDUAL n -2 precise t0 six decimal places_