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In an early study,researchers at Ivy University found that 33 percent of the freshmen had received at least one A in their first semester.Administrators are concerned that grade inflation has caused this percentage to increase.In a more recent study,of a random sample of 500 freshmen,185 had at least one A in their first semester.Calculate the p-value associated with the test statistic and test the claim at α = .05.
Variable Manufacturing
Costs that vary directly with the level of production, such as raw materials or labor directly involved in making products.
Labour Cost
The total expenditure incurred by employers to compensate their employees, including wages, benefits, and payroll taxes.
Labour Rate
The amount of money that is paid for a specific quantity of labor, often referred to as the wage rate.
Labour Hours
The total hours worked by employees in the production of goods or delivery of services.
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