It Is Thought That There Are a Variety of Factors

question 22

Multiple Choice

It is thought that there are a variety of factors that affect a teacher's salary. Using the following
Printout and sample data, determine whether the holding of a PhD degree is a significant variable
When tested at the 5% level of significance.

• A) Since the p-value is less than the level of significance, the null hypothesis is rejected, and so the holding of a PhD should be included in the analysis.
• B) Since the p-value is less than the level of significance, the null hypothesis is accepted, and so the PhD should not be included in the analysis.
• C) Since the p-value is more than the level of significance, the null hypothesis is accepted, and so the PhD should not be included in the analysis.
• D) Since the p-value is more than the level of significance, the null hypothesis is rejected, and so the PhD should be included in the analysis.

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Definitions:

Payments

Transactions or transfers of money in exchange for goods or services, or as fulfillment of obligations.

Interest Rate

The fee, indicated as a percentage of the principal, that a borrower incurs from a lender for availing themselves of resources.

Train Sets

Collections of rail vehicles that form a complete train, often designed to operate together and include locomotives and passenger or freight cars.

Rate of Increase

The speed at which a particular variable, such as price, cost, or quantity, grows over a specified period of time, typically expressed as a percentage.