The number of calories in a 12-oz serving of randomly selected regular and lite beers is recorded and the summarized statistics is below. Is there sufficient evidence to conclude that the mean number of calories for lite beers is the same as that for the regular beers? Use alpha of .1.   Assume the variables are approximately normally distributed.   Variable   N    Mean  StDev regular   25    140.08    19.56 lite         23    122.90    18.19

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