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For her tuesday class of 40 students the mean number of

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Question: Dr. Patton is a Professor of English. Recently she counted the number of misspelled words in a group of student essays. She noted the distribution of misspelled words per essay followed the normal distribution with a standard deviation of 2.44 words per essay. For her Tuesday class of 40 students, the mean number of misspelled words per essay was 6.05. Construct a 95 percent confidence interval for the mean number of misspelled words in the population of student essays.

Reference no: EM13582125

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