A survey of 65 beer drinkers ages 21-29 had a mean of 22.7 servings of beer...

A survey of 65 beer drinkers ages 21-29 had a mean of 22.7 servings of beer during the last month, with a standard deviation of 8.49 servings. A survey of 107 beer drinkers ages 30-39 had a mean of 19.8 servings of beer during the last month, with a standard deviation of 6.21 servings. At the 0.05 level of significance, test the claim that the mean monthly beer consumption of beer drinkers ages 21-29 is greater than the mean monthly beer consumption of beer drinkers ages 30-39.

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orchestra answered 1 year ago

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