We Want to Know Whether People Are Likely to Offer

question 29

Essay

We want to know whether people are likely to offer a different amount for used
exercising equipment when buying from a friend than when buying from a stranger. We
wonder whether the difference between mean amounts is zero. We have bid prices from 8
subjects buying from a friend and 7 subjects buying from a stranger, found in a
randomized experiment.
A. What assumptions can we make?
b. What type of test can we perform?

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Definitions:

Gases

States of matter consisting of particles that have neither a defined volume nor shape, expanding to fill their container.

Exhalation

The process of releasing air from the lungs through the respiratory tract; a key part of the breathing cycle in aerobic respiration.

Bronchi

The main passageways directly attached to the lungs that allow the passage of air in and out of the lungs.

Alveoli

Tiny air sacs within the lungs where gas exchange between the air and blood occurs.