Question: A time study is performed on an operation, resulting in the data following in minutes). Element 1 N 3 3 4 5 6 7 8

A time study is performed on an operation,

A time study is performed on an operation, resulting in the data following in minutes). Element 1 N 3 3 4 5 6 7 8 8 Performance Rating 0.22 0.27 0.19 0.24 0.17 0.24 0.21 0.18 1.10 Get and position unit 2.20 2.70 2.50 3.10 2.80 2.40 3.20 2.70 1.30 Perform calibration 4.60 4.00 4.50 3.80 4.30 4.50 3.90 4.40 0.85 Perform standard tests 0.50 0.50 0.70 0.60 0.80 0.40 0.50 0.60 1.20 Update card and remove unit Allowance per Eight-Hour Shift: Clothes change - 15 minutes Unavoidable delay - 35 mins Lunch - 30 mins Shower and change - 30 Total - 110 minutes a. Compute the mean observed time for each element in minutes. b. Compute the normal time for each element and total noral tie in minutes. c Compute the allowance fraction for the operation. Assume 480 minutes per shift. d. Compute the labor standard for the operation

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