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22 April, 23:00

Rebecca collected data from a random sample of 1200 homeowners in her state asking whether or not they use electric heat. Based on the results, she reports that 50% of the homeowners in the nation use electric heat. Why is this statistic misleading? a. The sample size is insufficient. b. The statistic contains a calculation error. c. The sample is biased. d. The data contains an outlier.

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  1. 23 April, 00:05
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    Hi,

    The answer is c. The sample is biased.

    This is because the sample is taken on a single state, an Rebecca reports a statistic about the nation. Her data contains information only of her state. If she lives in a very cold state, there is probably more homeowners using electric heat than in a hot state.
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