A Researcher Evaluates a Treatment Effect Using a Two-Tailed Hypothesis

question 17

Multiple Choice

A researcher evaluates a treatment effect using a two-tailed hypothesis test with  = .05,and the decision is to reject the null hypothesis.If the researcher switched to a one-tailed test using the same sample,what decision would be made?

• A)Definitely reject the null hypothesis with  = .05 and maybe reject with  = .01
• B)Definitely reject the null hypothesis with  = .05 and with  = .01
• C)Definitely fail to reject the null hypothesis with either  = .05 or with  = .01
• D)It is impossible to predict the outcome of the one-tailed test.

---

Definitions:

Finished Goods

Products that have completed the manufacturing process and are ready for sale to customers.

Transportation Costs

Expenses associated with the movement of goods or materials from one location to another.

Sales Commissions

A form of compensation to salespersons for their sales achievements, usually calculated as a percentage of the sales they generate.

Net-of-Tax Basis

A method of presenting financial figures after the effect of taxes has been considered or deducted.