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The newest game show has contestants earning points based on the difficulty level of the questions. Answering a difficult question correctly earns the most points, but missing the difficult questions takes away the most points from the team score. There are three levels of question categories: difficult, moderate, and easy. Zoey, the first contestant, is not very bright and her team knows she is very anxious and afraid of failing, so they are surprised when Zoey chooses the difficult category. In fact, research would have predicted this because:
Biased Sample
A sample that does not accurately represent the population from which it was drawn, usually due to prejudiced selection methods.
Representative Sample
A segment of a population that correctly embodies the traits of the entire population group.
Biased Population
A group in which certain characteristics are over- or underrepresented, leading to skewed or unrepresentative sample outcomes.
Statistically Significant Population
A population size or characteristic in which differences or effects observed are unlikely to be due to chance, typically determined through statistical tests.
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