Question: 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

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 A 52 B 27 C 35 D 44 E 55. Construct a SPC-Chart for test errors and set the control limits based off three-sigma. WHat does the chart tell you? Has the new program been effective?

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