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.

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:
For the test errors, the o-chart with control limits that contain 99.73% of the random variation in test scores is:
SchoolNo._of_Test_Errors
A75
B38
C42
D47
E61
VL_(s)= errors (round your response to two decimal places).
LCL_(c)= errors (round your response to two decimal places and if your answer is negative, enter this value as 0).
According to the o-chart, there are
"some" or "no"
schools out of control.
 The school board is trying to evaluate a new math program

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