Q1 Run and summarize a Two-way ANOVA with replication in the 2nd spreadsheet

Q2 How the advertising influence sales? Please clarify based on the mean difference of the sales with(out) advertising

Q3 How the coupon influence sales? Please clarify based on the mean difference of the sales with(out) coupon

Q4 Interpret the results if coupon and advertising have significant effects on sales in the 2nd spreadsheet

Q5 Interpret the results if coupon and advertising interact in the 2nd spreadsheet

\begin{tabular}{|l|r|r|} \hline & COUPON & No coupon \\ \hline No ad & 95 & 60 \\ \hline & 90 & 75 \\ \hline ad & 85 & 79 \\ \hline & 170 & 130 \\ \hline & 150 & 140 \\ \hline & 190 & 170 \\ \hline \end{tabular}