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The school board is trying to evaluato a new math program introduced to second-graders in five elementary schools across the county this year A sample
The school board is trying to evaluato a new math program introduced to second-graders in five elementary schools across the county this year A sample of the atudent scores on s tosts in each elamentary school yielded the following data: For the test errors, the o-chart with control limits that contain 99.73% of the random variaton in test scores is: UCLc= errors (round your rosponse to two decimal places)
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