Drivers with a Blood Alcohol Concentration of 0

question 18

True/False

Drivers with a blood alcohol concentration of 0.14% are about twice as likely to be involved in a car crash as drivers with a blood alcohol concentration of 0.08%.

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Definitions:

Paired T-test

An analytical procedure for evaluating if two associated groups have significantly different means.

Middle Distance Runners

Athletes who specialize in running races that are longer than sprints and shorter than long-distance races, typically ranging from 800 meters to 3000 meters.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter at a given confidence level.

Mean Difference

The average difference between each of two sets of numbers, often used in statistical analysis to compare two groups.