AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: CHI-SQUARE
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A public health group took independent random samples from three neighborhoods (North, Central, South) and recorded whether residents are up-to-date on a flu vaccine (Yes/No). The results are shown in the two-way table. A chi-square test of homogeneity produced p-value =0.0006. What conclusion is appropriate at the 5% significance level?
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