A Teacher Records the Test Scores for the 30 Students

question 7

Multiple Choice

A teacher records the test scores for the 30 students in her class. The standard deviation of the scores was 10. Corresponding to each score, she calculates a z-score. Hugh's test score was one and A half standard deviations below the mean. What would his z-score have been?

• A)15
• B)-15
• C)1.5
• D)-1.5

---

Definitions:

Earnings Received From Wealth

Income generated from assets owned, such as dividends from stocks, interest on bonds, or rent from property.

Reduction In Income Inequality

Refers to efforts or policies aimed at decreasing the disparity in income distribution among a population, thereby promoting economic fairness.

Transfer Payments

Payments made by the government to individuals or other entities without receiving any goods or services in return, such as welfare benefits or social security.

Earned-Income Tax Credits

A refundable tax credit for low- to moderate-income working individuals and families, particularly those with children, aimed at reducing poverty and encouraging work.