Points] DETAILS LAROSESTAT3 4.2.049. MY NOTES ASK YOUR T university published the data in the following table, showing the consumer sentiment in a certain year month by month for the two groups. x = consumer y = consumer Month sentiment for incomes sentiment for incomes under $75,000 $75,000 or higher Jan 71.7 80.3 Feb 75.7 82.4 Mar 78.3 83.8 Apr 74.6 79.8 May 80.4 94.2 Jun 76.1 98.8 Jul 32.5 90.0 Aug 77.9 89.5 Sep 72.3 86.3 Oct 71.4 76.9 Nov 67.9 88.8 Dec 78.8 87.9 (a) Calculate the slope bj and the y-intercept bo of the regression line. (Round your value for bj to three decimal places, and your value for bo to one decimal place.) b1 = bo (b) State the regression equation in words. times the consumer sentiment for incomes under $75,000 plus The predicted consumer sentiment for incomes $75,000 or higher is (c) Interpret the value for the slope bj of the regression line, in terms of the variables above. For each increase of 1 in the consumer sentiment for incomes under $75,000 the predicted consumer sentiment for incomes $75,000 or higher increases by (d) Interpret the value for the y-intercept bo of the regression line, in terms of the variables above. The predicted consumer sentiment for incomes $75,000 or higher in a month when consumer sentiment for incomes under $75,000 is x = 0 is