Which of the Following Examples Would Most Likely Be Subject

question 45

Multiple Choice

Which of the following examples would most likely be subject to selection bias?

• A) a study that randomly sampled 100 passengers at Chicago O'Hare International Airport to get their opinions about decreased legroom on commercial airplanes
• B) a study that randomly sampled 100 hunters in Minnesota to determine if newly implemented state hunting limits would reduce the number of hunting trips they took in the state each year
• C) a study that randomly sampled 100 tourists of legal drinking age on the Las Vegas Strip to determine the average amount they spend each day on alcoholic beverages while in Las Vegas
• D) a study that randomly sampled 100 people issued speeding tickets on the New Jersey Turnpike to determine if drivers believe the New Jersey Department of Transportation should raise the current 65 mph speed limit to 75 mph

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Definitions:

Independent Samples

Refers to samples drawn from distinct populations in such a way that the selection of observations in one sample does not influence the selection in another.

Selection Process

A series of steps or a methodology used to choose the most suitable individuals or options from a pool of candidates or alternatives.

Sample Size

Refers to the number of observations or participants included in a statistical sample.

Type I Error

The incorrect rejection of a true null hypothesis, or a false positive, in statistical hypothesis testing.