THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 21

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
From the top 1000 companies in valuation,a comparison of the mean dividend yield of the top and bottom ten electric utility companies is desired.Let 1 = top ten,and 2 = bottom ten,electric utility companies respectively.The data shown below are for two independent samples,which are drawn at random from populations that are normally distributed.

-Use Excel or Minitab to conduct a two-sample t-test for data in the table above.

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Definitions:

Average Total Cost

Average total cost is the total cost of production divided by the total quantity produced, representing the cost per unit of output.

Economic Profits

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs, indicating surplus beyond the normal profit level.

Demand Curves

Graphical representations that show the relationship between the price of a good or service and the quantity demanded by consumers.

Industry Entry

The process by which new competitors join an industry, often bringing innovation or increased competition.