A small town employes 34 salaried, nonunion employees. Each employee receives an annual salary increase of between $500 and $2,000 based on a performance review by the mayor's staff. Some employees are members of the mayor's political party, and the rest are not.Students at a local high school form two lists, A and B, one for the raises granted to employees who are in the mayor's party, and the other for raises granted to employees who are not. They wanted to display a graph(s) of the salary increases in the student newspaper that readers can use to judge whether the 2 groups of employees have been treated in a reasonably equitable manner.Which of the following displays is least likely to be useful to readers for this purpose?A. back to back stemplots of A and BB. scatterplot of B versus AC. parallel boxplots of A and BD. histograms of A and B that are drawn to the same scaleE. dotplots of A and B that are drawn to the same scale