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	45
B	24
C	38
D	41
E	45

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).