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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