A Student Runs an Experiment to Test How Race Car

question 15

Multiple Choice

A student runs an experiment to test how race car drivers and different tracks affect time.He uses 3 different drivers on 4 different tracks.He randomizes the trials,performing 4 runs under each treatment condition,carefully recording how many laps each driver completes on each different track.

• A)Driver SS: 2 df; Track SS: 3 df; SSE: 42 df
• B)Driver SS: 3 df; Track SS: 4 df; SSE: 12 df
• C)Driver SS: 3 df; Track SS: 3 df; SSE: 42 df
• D)Driver SS: 2 df; Track SS: 3 df; SSE: 12 df
• E)Driver SS: 3 df; Track SS: 4 df; SSE: 42 df

---

Definitions:

Old Age

A period in the human lifespan characterized by advanced age, typically involving retirement from work and noticeable changes in health and physical functioning.

Sensitivity To High-Frequency Sounds

The ability or capacity of the auditory system to detect sounds at higher pitches, which can vary among individuals.

Physical Changes

Alterations in the physical state or properties of a substance or organism, usually observable.

Adults

People who have reached the age of maturity, typically associated with the completion of physical growth and the assumption of societal roles of responsibility.