The T-Test for Two Means Is Appropriate Whenever the Two $\sigma_{1}, \sigma_{2}$

question 20

Multiple Choice

The t-test for two means is appropriate whenever the two population variances ( $\sigma_{1}, \sigma_{2}$ ) are ______.

• A) unknown
• B) known
• C) normally distributed
• D) beyond the critical value for statistical significance

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Definitions:

Conduct Problems

A range of anti-social behaviors exhibited by children and adolescents, including aggression and rule-breaking activities.

Suicide

The act of intentionally causing one's own death.

Psychosocial Risk Factors

Social and psychological aspects that may contribute to an individual's likelihood of developing a physical or mental health condition.

Conduct Problems

Refers to a range of antisocial types of behavior displayed in childhood and adolescence.