The following data resulted from a taste test of two different chocolate bars. The first
Chapter 0, Problem 54(choose chapter or problem)
The following data resulted from a taste test of two different chocolate bars. The first number is a rating of the taste, which could range from 0 to 5, with a 5 indicating the person liked the taste. The second number indicates whether a secret ingredient was present. If the ingredient was present, a code of 1 was used and a 0 otherwise. Assume the population standard deviations are the same. At the .05 significance level, do these data show a difference in the taste ratings?
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