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
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 A No. of Test Errors 20 B 15 C 30 D 18 E 25 For the test errors, what is the LCL, using 3-sigma? (round your response to two decimal places). 63.18 7.66 35.54 21.6 42.6
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