A Researcher Selects a Sample of 6 Professors,6 Students,and 6

question 64

Multiple Choice

A researcher selects a sample of 6 professors,6 students,and 6 administrators at a local school and has them rate the effectiveness of an innovative new teaching style.In this example,is it possible that the weighted mean ratings will equal the arithmetic mean for the entire sample of 18 participants?

• A)No,the weighted mean is never exactly equal to the arithmetic mean.
• B)Yes,because there are an even number of participants in each sample.
• C)Yes,because the sample sizes are equal in this example.
• D)It is not possible to know this without knowing the mean for each sample.

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Definitions:

Credit for Returns

Refunds issued to customers or credits applied against customer accounts for returned goods or services.

Discount Period

The timeframe in which a buyer can pay less than the full invoice amount due to taking advantage of a sales discount offered by the seller for early payment.

Full Settlement

This term refers to the complete payment or resolution of an outstanding debt, account, or contractual obligation.

FOB Shipping Point

A term used in shipping contracts to indicate that the seller is responsible for delivering goods to a shipping point, and the buyer is responsible for all costs and risks of loss or damage to goods from that point forward.