The school board is trying to evaluate a new math program introduced to second-graders in five...
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The school board is trying to evaluate a new math program introduced to second-graders in five elementary schools across the county this year. A sample of the student scores on standardized math tests in each elementary school yielded the following data: School No. of Test Errors ABCDE 55 24 34 43 57 For the test errors, the c-chart with control limits that contain 99.73% of the random variation in test scores is: UCL C = errors (round your response to two decimal places). LCLC = errors (round your response to two decimal places and if your answer is negative, enter this value as 0). According to the c-chart, there are schools out of control. NO SOME The school board is trying to evaluate a new math program introduced to second-graders in five elementary schools across the county this year. A sample of the student scores on standardized math tests in each elementary school yielded the following data: School No. of Test Errors ABCDE 55 24 34 43 57 For the test errors, the c-chart with control limits that contain 99.73% of the random variation in test scores is: UCL C = errors (round your response to two decimal places). LCLC = errors (round your response to two decimal places and if your answer is negative, enter this value as 0). According to the c-chart, there are schools out of control. NO SOME
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