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Calculate the standardized test statistic

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A travel association claims that the mean daily meal cost for two adults traveling together on vacation is ?$100. A random sample of 20 such groups of adults has a mean daily meal cost of ?$105 and a standard deviation of  ?$6.00. Is there enough evidence to reject the claim at alpha=0.1??

Calculate the standardized test statistic.  t=____

Use technology to calculate the P-valve. P=____

Reference no: EM131893784

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