Question: 4) The average observed time for a given job is 10 minutes. The performance rating is 80%, and allowances are set by contract at 8%.

4) The average observed time for a given job is
4) The average observed time for a given job is 10 minutes. The performance rating is 80%, and allowances are set by contract at 8%. What is the standard time? A) 8.70 minutes B) 8.89 minutes C) 10.00 minutes D) 19.00 minutes E) 7.36 minutes #Answer: 5) The data below represent time study observations for an assembly operation. Assume a 7% allowance factor. What is the normal time for element 2? Observations (times in minutes Element Performance Rating 1 100% IS11.6 11.4 1.5 1.5 12 0% 23 22 21 22 24 3 1159 1.7 1.9 1.914 11.6 4 100% 5.5 5.6 5.6 5.6 5.2 A) 1.7 min. B) 1.96 min. C) 2.02 min. D) 10.1 min. E) 11.2 min. #Answer: 6) The accuracy of a labor standard is to be within + 5%, and the confidence level is 95%. The standard deviation of the sample is 2 and the mean is 9.5. What sample size should be used? A) 8 B) 10 C) 96 D) 127 E) 68 #

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