6.3 The emergency department in a major medical center has delays in the stat la
ID: 3431966 • Letter: 6
Question
6.3 The emergency department in a major medical center has delays in the stat laboratory
tests turn - around time (TAT). According to standards, the stat lab results should be
reported within 30 minutes. The analyst conducted a time study to measure the reporting
times for fourteen different lab tests over fi fteen observations. The performance
ratings of the personnel handling the test are also recorded in Table EX 6.3 .
1. Using the basic - low allowance, calculate the standard time for each lab test.
6.3 The emergency department in a major medical center has delays in the stat laboratory tests turn - around time (TAT). According to standards, the stat lab results should be reported within 30 minutes. The analyst conducted a time study to measure the reporting times for fourteen different lab tests over fi fteen observations. The performance ratings of the personnel handling the test are also recorded in Table EX 6.3 . 1. Using the basic - low allowance, calculate the standard time for each lab test.Explanation / Answer
Std time is calculated for each group as mean x performance rating as performance rating std is 1.
Hence std time for this = 385.9349063
Observation in minutes performance Lab Test Rating 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Mean perf rating*Mean Hem 8 0.95 28 34 29 33 21 18 26 23 30 24 23 24 20 27 28 24.30938 23.09390625 Hem 18 1.03 29 38 24 39 27 26 20 23 27 26 28 28 34 37 29 27.25188 28.06943125 Apter 1.11 27 36 35 35 36 27 29 33 29 33 34 40 36 32 28 30.69438 34.07075625 AMY 0.97 28 37 29 27 28 29 27 26 25 24 25 28 22 31 22 25.56063 24.79380625 Ca 1.09 38 44 33 34 21 23 20 28 23 27 22 27 27 29 25 26.38063 28.75488125 Glucose 0.98 52 54 49 43 51 56 60 37 39 40 29 43 44 50 43 43.18625 42.322525 Chem 7 1.01 28 37 27 35 33 30 31 27 25 33 32 34 29 25 25 28.25063 28.53313125 K 1.04 12 25 18 11 19 27 11 19 14 15 14 15 18 16 12 15.44 16.0576 HCG 0.98 18 29 16 20 23 15 15 14 16 18 19 22 18 18 21 17.68625 17.332525 ALP 0.97 29 39 30 32 32 34 32 34 32 34 34 38 36 33 33 31.43563 30.49255625 ALT 0.94 29 39 30 32 29 36 23 25 28 28 31 29 33 32 33 28.62125 26.903975 B 1.03 29 38 36 23 25 28 32 34 32 29 38 36 23 25 28 28.56438 29.42130625 AST 1.05 29 39 28 31 29 33 28 32 34 32 34 32 33 29 32 29.75313 31.24078125 BBSP 0.94 26 32 18 26 39 28 31 29 26 28 31 29 19 28 32 26.43375 24.847725 385.9349063Related Questions
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