Q 19 A regression was completed to predict Revenue $. X variables were Advertising $ and Quarter (1, 2, 3, 4). What is the best interpretation of the regression results below? StotistEs Multiple R R Sqm A NOVA Intercept Select one: 0.02316 17541.48 27 22030.72 085.369 166260 stat 1258602 .439247 .0_67147 s. s 192".09 .59. upper 15-2198 95. .a.585gs 6_gm.g O a. Regression is significant but there is no difference between quarters. O b. Regression is not significant because Advertising $ and 03 p-values, despite QI and 02 p-values. O c. Regression is not significant because overall regression p-value, despite reasonable R"2. O d. Regression is significant because overall regression p-value, despite Advertising S and 03 p-values.