THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 100

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a random sample of 125 large retailers,90 used regression as a method of forecasting.In an independent random sample of 160 small retailers,80 used regression as a method of forecasting.
-A random sample of 100 men contained 63 in favor of a state constitutional amendment to retard the rate of growth of property taxes.An independent random sample of 100 women contained 55 in favor of this amendment.The confidence interval 0.023 < P_x - P_y < 0.295 was calculated for the difference between the population proportions.What is the confidence level of this interval?

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Definitions:

Market Demand Curve

A graphical representation showing the total demand of all consumers in a market for a particular product at different prices.

Colluded

A situation where firms in a market agree to set prices or output levels to maximize collective profits, often at the expense of competition.

Marginal Cost

The financial implication of creating an extra unit of a product or service.

Fixed Cost

Costs that do not change with the level of output or production, such as rent or salaries.