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

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Definitions:

Color

The characteristic of visual perception described through categories such as hue, saturation, and brightness.

Logistic Regression

A statistical method used to analyze a dataset in which there are one or more independent variables that determine an outcome. The outcome is measured with a dichotomous variable (where there are only two possible outcomes).

Mammogram

An imaging test that uses low-dose X-rays to detect anomalies in the breasts, often used for cancer screening.

Race/Ethnicity

Categories used to describe groups of people with common ancestry, cultural history, or social affiliation.