Instructions: Use the interactive tool as directed to answer the questions below. Regression I|I_ GRAPH [Ito mu;- '5' Enterce p: [6 to 15} @ CALCULATIONS Sample Size Sum or" Squaresr Total Sum of Squared Residuals Proposed Reoressron Line SST Components interact with the above tool as instructed. and obsewe what happens to answer the following questions. Select data set 5 and then click anywhere else to plot the data. a. IINrite the equation ofthe horizontal blue line that is initially drawn for you. {Rep-on: one decimal place} Q Answer is complete and correct. a. Write the equation of the horizontal blue line that is initially drawn for you. (Report one decimal place} a Answer is complete and correct. 1 1.59; 0.09 ; I b. Your goal with this tool is to find the "line of best fit" that minimizes the "sum of squared residuals." This "best" line will always go through the point (:3, g} . the sample means ofthe x and yvariables. The value of f; is the intercept ofthe initial blue line. Estimate, by inspection the value of it _ Note thaf This value is hotneccessarliy the mlcldle value shown on the XEleS. {Report one decimal place.) 9 Answer is complete but not entirely correct. {0-3} '8' Now propose a line with an intercept of3 that also goes through the point {it/3}} _ {Report one decimal place-.1 a Answer is complete and correct. a 3.09 + (0.3)0 K