Question 19 (2 + 2 = 4 marks) The owner of a local grocery store varied the price of a half-kilo loaf of bread for six consecutive weeks. The data below shows the price per loaf for each of these weeks, and the number of loaves sold that week. Price (x) $0.60 $0.62 $0.58 $0.60 $0.64 $0.62 Loaves sold (y) 220 200 280 250 190 240 You may use the following Excel print-outs or summary statistics provided to answer the questions. SUMMARY OUTPUT SUMMARY STATISTICS Regression Statistics n = 6 Multiple R 0.855 E] = 0.61 R Square 0.731 r, = 230 Adjusted R Square 0.663 52,. = 0.00044 Standard Error 19.424 52', = 1120 Observations 6 Sxy = -0.6 Coefcients Standard t Stat P-vaiue Error Autumn 2022 Page 10 of 12 Intercept 1061.818 252.732 4.201 0.014 Price 4363.636 414.111 -3.293 0.030 (a) Determine the estimated regression equation that can be used to predict the number of loaves sold given the price