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12.4 The data in Table EX 12.4 records the number of clinician electronic medical record (EMR) data entry errors in a long-term acute care facility
12.4 The data in Table EX 12.4 records the number of clinician electronic medical record (EMR) data entry errors in a long-term acute care facility collected as part of a sampling study. Samples of 500 data entries were used. Table EX 12.4 Sample Data Entry Errors 1 5 2 13 4 5 6 10 7 6 8 12 9 10 11 5 12 3 13 3 14 6 15 7 16 17 17 8 18 10 19 11 20 19 21 17 22 11 23 15 24 13a. Determine the fraction defective in each sample. b. Using a 95.5 percent confidence level, determine the control limits for an appropriate control chart. c. Construct an appropriate control chart and identify any observations that are not within control limits
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