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:

Indifference Curves

A visual chart that depicts various pairings of two products which deliver identical levels of contentment to a person.

Budget Constraint

A representation, often graphical, of all the combinations of goods and services that a consumer can afford at given prices and within their income level.

Utility Function

A mathematical representation that describes how consumers allocate their spending to maximize satisfaction or utility from goods and services.

Course Grade

The evaluation or assessment of a student's performance in a course, typically represented as a letter or number.