• 10.24 The results of a time study to perform a quality control test are shown in the following table. On the basis of these observations, determine the normal and standard time for the test, assuming a 23% allowance factor.

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OBSERVATIONS (MINUTES) TASK ELEMENT PERFORMANCE RATING (%) 1 2 3 4 5 1 97 1.5 1.8 2.0 1.7 1.5 234 105 .6 86 .5 .4 4 90 *Disregard-employee is smoking a cigarette (included in personal time). .6 .8 4400 4 .7 3.7a .6 .4 .7 .6 547 .5