27 (3.125 points) question 27 Choose the correct answer that completes the statement most consistent with your video lectures: "The technique we used to our regressions is called where the objective is to Hint: we covered this in the video lectures correl reg 2020 5 slope test a) a. coefficient of correlation analysis ; minimize the R squared b) b. ordinary least squares; maximize the residual sum of squares Oc) c. ordinary least squares ; minimize the residual sum of squares d) d. multiple regression analysis; estimate as many variables as possible