UCLc= _______ (round your response to two decimal places). LCLc= _______ (round your response to two decimal places). What does the chart tell you? Has the new math program been effective?
UCLc= _______ (round your response to two decimal places). LCLc= _______ (round your response to two decimal places). What does the chart tell you? Has the new math program been effective?
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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Question
7.
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
|
48
|
|
B
|
21
|
|
C
|
32
|
|
D
|
40
|
|
E
|
52
|
|
For the test errors, the
c-chart
with control limits that contain 99.73% of the random variation in test scores is: _____Part 2
UCLc= _______ (round your response to two decimal places).
LCLc= _______ (round your response to two decimal places).
What does the chart tell you? Has the new math program been effective?
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