A Researcher Is Testing a Null Hypothesis Stating That for the General

question 34

Multiple Choice

A researcher is testing a null hypothesis stating that for the general population there is no preference between the two leading brands of cola.In a sample of n = 100 people,35 preferred brand A and 65 preferred brand B.Assuming that the researcher uses a two-tailed test,what is the appropriate statistical decision?​

• A)​Reject the null hypothesis with α = .05 but not with α = .01.
• B)​Reject the null hypothesis with either α = .05 or α = .01.
• C)​Fail to reject the null hypothesis with either α = .05 or α = .01.
• D)​No decision is possible without additional information.

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Definitions:

Average Fixed Cost

The total fixed costs of production divided by the quantity of output produced, showing how fixed costs per unit change with output levels.

Marginal Cost

The cost of producing one additional unit of a good or service, considering the variable costs involved.

Total Cost

The sum of all the expenses incurred in producing a good or service, including both fixed and variable costs.

Average Cost

The cost per unit of output, calculated by dividing the total cost of production by the number of units produced.