show work please

Problem 2: (10 points) The school board is trying to evaluate a new math program introduced to second-graders in six elementary schools across the county this year. A sample of the student scores on standardized math tests in A each elementary school yielded the following data: 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? School No. of Test Errors A B 27 52 43 36 64 54 D E F