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 B C D E For the test errors, the c-chart with control limits that contain 99.73% of the random variation in test scores is: UCLC = errors (round your response to two decimal places). LCLc = errors (round your response to two decimal places and if your answer is negative, enter this value as 0). According to the c-chart, there are schools out of control. No. of Test Errors 45 24 38 41 45
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 B C D E For the test errors, the c-chart with control limits that contain 99.73% of the random variation in test scores is: UCLC = errors (round your response to two decimal places). LCLc = errors (round your response to two decimal places and if your answer is negative, enter this value as 0). According to the c-chart, there are schools out of control. No. of Test Errors 45 24 38 41 45
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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