The Number of ATVs Sold by Three Salespersons Over a 3-Month

Essay

The number of ATVs sold by three salespersons over a 3-month period is shown below:
$$\begin{array}{l}\quad\quad\quad\quad\quad\quad\quad\quad\text { Brand of ATV }\\\begin{array} { | l | c c c | } \hline \text {Salesperson } & \text { Brand } \mathrm { A } & \text { Brand } \mathrm { B } & \text { Brand } \mathrm { C } \\\hline \text { Juan } & 7 & 2 & 6 \\\text { pedro } & 11 & 4 & \mathbf { 8 } \\\text { Fernando } & \mathbf { 8 } & 5 & 3 \\\hline\end{array}\end{array}$$ Use the 5% level of significance and test for the independence of salesperson and type of product sold.