Mathematics, 25.11.2020 22:30 joelpimentel

A class of 28 students had a mean score of 72 on a math test. After the teacher realized that one of the questions had an alternative correct answer, he gave 4 points each to the 7 students who had given the alternative answer. What is the new mean test score?

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A class of 28 students had a mean score of 72 on a math test. After the teacher realized that one of...

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