MAT 1272 Statistics, SP2014

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  • May 10, 2014 at 8:56 pm #13792

    Ezra Halleck
    Participant

    9) *It is claimed that the average annual per person spending on prescription drugs is $410. If a survey of 64 randomly selected people indicated an average spending of $425 with a standard deviation of $45, do we reject the claim that the average is $410? Use a 5% level of significance.

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