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Find that a random sample of 21 similar vehicles

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A use car dealer says the mean price of a three year old sports utility vehicle is $22,000. You suspect this claim is incorrect and find that a random sample of 21 similar vehicles has a mean price of 422,515 and a standard deviation of $1929. Is there enough evidence to reject the claim at = 0.10.

Reference no: EM132050448

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