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 student scores on standardized math tests in each elementary school yielded the following data:

School

No. of Test Errors

A

52

B

26

C

37

D

24

E

35

What are the UCL and LCL for the 3-sigma C-chart?

52, 17

42, 17

52, 14

42, 14

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