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Compute the given confidence interval

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Reference no: EM131812454

Question: In a study of children with a particular disorder, parents were asked to rate their child on a variety of items related to how well their child performs different tasks. One item was "Has difficulty organizing work," rated on a five-point scale of 0 to 4 with 0 corresponding to "not at all" and 4 corresponding to "very much." The mean rating for 284 boys with the disorder was reported as 2.21 with a standard deviation of 1.08. (Round your answers to four decimal places.) Compute the 90% confidence interval.

Reference no: EM131812454

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