A Research Study Produces a Negative Correlation Between Hours of Sleep

question 24

Multiple Choice

A research study produces a negative correlation between hours of sleep and test performance. Given this, what do we know about the relationship of the variables?

• A) As hours of sleep decrease, test performance increases.
• B) As hours of sleep increase, test performance increases.
• C) There is no relationship between the variables.
• D) There is a significant relationship between the variables.

---

Definitions:

Security Interest

A legal right or hold on assets that have been pledged as security, typically for the purpose of ensuring loan repayment.

Lien

A lien is a legal right or claim against a property by a creditor, securing the payment of a debt or the performance of some obligation.

Negotiable Instrument

A document that promises the payment of a certain sum of money, either upon request or at a predetermined time, with the name of the individual responsible for paying included on the document.

Gift

Something voluntarily transferred by one person to another without expectation of payment or something in return.