AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: CHI-SQUARE
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A city transportation department claims that riders' primary mode of commuting is distributed as Car 55%, Bus 20%, Train 15%, Bike/Walk 10%. A random sample of n=250n=250 commuters is surveyed, and the observed counts are shown in a table. Which hypotheses are appropriate for a chi-square goodness-of-fit test of the department's claim?
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