Chapter 6s question 23 (the textbook asks for the control limits to contain 99.73% of the random variation. Do not use this number. U 99.87% instead): The school board is trying to evaluate a new math program introduced to second-graders in five elementary schools across the county this yeA sample of the student scores on standardized m tests in each elemuntary school yielded the following data: SCHOOL B NO. OF TEST ERRORS 52 27 35 44 55 D E Construct a c-chart for test errors, and set the control limits to contain 99.73% of the random variation in test scores. What does the chart tell you? Has the new math program been effective? LCL-23.0194, UCL-62.1806. LCL-21.0194, UCL-68.1806, LCL-21.0194, UCL-66.1806. LCL 23.0194, UCL-68.1806, Sigma is needed for c-chart