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1) Is the average salary the same for each of the grade levels? (Assume equal variance, and use the analysis toolpak function ANOVA

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1) Is the average salary the same for each of the grade levels? (Assume equal variance, and use the analysis toolpak function ANOVA.) Set up the input table/range to use as follows: Put all of the salary values for each grade under the appropriate grade label.2. The factorial ANOVA with only 2 variables can be done with the Analysis ToolPak function 2-Way ANOVA with replication. Set up a data input table like the following:3. Repeat question 2 for the compa values.4. Pick any other variable you are interested in and do a simple 2-way ANOVA without replication. Why did you pick this variable and what do the results show?5. What are your conclusions about salary equity now?