In Testing the Difference Between Two Population Means for Which

question 90

Multiple Choice

In testing the difference between two population means for which the population variances are unknown and not assumed to be equal,two independent samples are drawn from the populations.Which of the following tests is appropriate?

• A)z-test
• B)pooled-variances t-test
• C)unequal variances t-test
• D)None of these choices.

---

Definitions:

Ethnicity

A group of individuals who share a bond over shared ancestry, social ties, cultural backgrounds, or national histories.

Death Penalty

A legal process where a person is put to death by the state as a punishment for a crime.

Hate Crime

A criminal act motivated by prejudice or hatred towards a particular group based on race, religion, sexual orientation, or other characteristics.

Grand Apartheid

The systematic and institutionalized racial segregation and discrimination enforced by the South African government before 1994.