Employees at ABC Company are complaining that there are salary differences across departments, i.e., Sales, Purchasing, Advertising and Engineering. A sample of 46 employees were selected at random from the four departments and their salaries were recorded in the excel file attached as Salary Across Departments.

Based on the data provided, use One-Way ANOVA to find out if there are significant salary differences between the four departments.

In specific, please do the following: Create a hypothesis testing for the One-Way ANOVA

1. Use Excels ToolPak to compute the One-Way ANOVA.
2. Submit your statistical findings.
3. Based on the statistical findings, explain if there are any significant differences between the populations means. Please interpret your answer.