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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
A	52
B	27
C	35
D	44
E	55

Construct a c -chart for test errors, and set the control limits to contain 99.73% of the random variation in test scores. What does the chart tell you? Has the new math program been effective?

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M92170942

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