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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...

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, does this data show a difference in the taste ratings? Hint: For the calculations, assume the chocolate bars with secret ingredient as the second sample.

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