Illustrate what does the chart tell you

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Reference no: EM1376074

Q. The school board is trying to evaluate a new math program introduced to second-graders in five elementary schools across the county this yr. A sample of the student scores on criterion zed math tests in each elementary school yielded the following data:

A 52
B 27
C 35
D 44
E 55

Construct a c-chart for test errors also set the control limits to contain 99.73percent of the random variation in test scores. Illustrate what does the chart tell you?

Reference no: EM1376074

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