A Particular Personal Trainer Works Primarily with Track and Field

question 19

Multiple Choice

A particular personal trainer works primarily with track and field athletes. She believes that her clients run faster after going through her program for six weeks. How might she test that claim?

• A) A hypothesis test for p₁ - p₂.
• B) A hypothesis test for μ₁ - μ₂.
• C) A matched-pairs hypothesis test for μ_D.
• D) We are unable to conduct a hypothesis test because the samples would not be independent.

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Definitions:

Split Mind

Often a misunderstood translation of “schizophrenia,” referring to a mental disorder characterized by abnormal behavior, thought patterns, and a failure to understand reality.

Split Personality

An outdated term often associated with dissociative identity disorder, characterized by the presence of two or more distinct personality states.

Disordered

A state or condition in which there is a disruption or disturbance of normal functioning or arrangement.

Socioeconomic Classes

Categories of people sharing similar levels of wealth, income, education, and occupational prestige, influencing lifestyle and opportunities.