3. A study was conducted to find a linear regression model that relates advertisement expenses X to volumes of sales Y for an electronics company, Solano. The data in mullion of $ are as given below for 10 years. nduces the (b 3.5 2.1 3.2 1.6 1.7 2.5 2.4 2.9 3.8 Yenbishst 2 X 35 62 45 63 32 45 44 54 37 76 Unt Joib919 Assume a regression model of the form. Y = B + BX + u a) b) c) d) Estimate the parameters Bo and 1000022 Estimate the residual variances toib919 2 (d visu Are the parameters and significant?rmative v What is the value of r e) If one million dollars is put into advertisement, by how much is sales expected to rise? and