Sampling and Error Apply, algebra homework help

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Lesson 8­-5: Apply

  • OPEN ENDED Give examples of a biased sample and an unbiased sample. Explain your
    reasoning.

    • Writing in Math Use the information on
    page 761 to explain how surveys are used in

    marketing. Find the margin of error for those who spend $249 or less if 807 mothers were

    surveyed. Explain what this margin of error means.

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