Assignment:
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
|
75
|
|
|
B
|
38
|
|
|
C
|
42
|
|
|
D
|
47
|
|
|
E
|
61
|
|
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 SOME / OR NO schools out of control.