A Researcher Has Used a One-Way Analysis of Variance Model

question 33

Essay

A researcher has used a one-way analysis of variance model to test whether the average starting salaries differ among the recent graduates from nursing, engineering, business and education disciplines. The researcher has randomly selected four graduates from each of the four areas.
-If MSE = 4,and SST = 120 complete the following ANOVA table and determine the value of the F statistic.Note that "group" has been labeled as "treatment".

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Definitions:

Contribution Margin Ratio

A profitability ratio that measures the percentage of sales revenue that exceeds variable costs, indicating how much contributes to fixed costs and profit.

Variable Cost Ratio

A measure of a company's variable costs as a percentage of sales, which shows the proportion of sales that is consumed by variable costs.

Profit-Volume Ratio

A measure that illustrates how profits will change with a change in volume, showing the relationship between profit and sales levels.

Mixed Cost

A cost that contains both variable and fixed cost elements, changing in total with the level of activity but having a portion that remains constant.