Instructions: Use the interactive tool as directed to answerthe questions below. Regression ||._ GRAPH (1m 1m:- 'r' intercept (-6 to 15} CALCULATIONS 5a mole Si-ze Sum or" Squares, Total Sum of Squared Residuals Proposed Regression Line -- -- SST Components Interact with the above tool as instructed. and obsewe what happens to answer the following questions. Select data set 95 and then click anywhere else to plot the data. a. ll.I'll'rite the equation ofthe horizontal blue line that is initialljl-r drawn for you. {Report one decimal place} 6 Answer is complete and correct. Select data set 95 and then click anywhere else to plot the data. 3. Write the equation of the horizontal blue line that is initially drawn for you. (Repon' one decimal place} 0 Answer is compiete and correct. 2 1.10 + 0.00 K ll' b. Your goal with this tool is to find the "line of best fit\" that minimizes the "sum ofsouared residuals." This \"best" line will always go through the point (it, 3]) . the sample means of the x and yvariables. The value of 3: is the intercept ofthe initial blue line. Estimate. by inspection. the value of 23 _ Note that this value is not neccessanl'y the middle value shown on the Xaxis {Report one decimal place-J 9 Answer is complete but not entirel'jlr correct. Provide an equation for ANY alternative line that also goes through the point (5', g) . [Report one decimal ptace.) y = _I_