What does the chart tell you

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Reference no: EM131920626

Problem

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	52
B	27
C	35
D	44
E	55

a) Construct a c- chart for test errors, and set the control limits to contain 99.73% of the random variation in test scores.

b) What does the chart tell you?

(Please screen shot the excel if its in excel)

Reference no: EM131920626

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