Question: An initial time study was done on a process with the following results (in minutes). Based on the data obtained so far, assuming an allowance

An initial time study was done on a process with

An initial time study was done on a process with the following results (in minutes). Based on the data obtained so far, assuming an allowance of 10 percent of the normal time, what do you estimate for the time per customer served, based on this preliminary sample? (Round all intermediate calculations to two decimal places.) Obs 1 Obs 3 Element Element 1 Element 2 Element 3 Performance Rating 90 120 110 Obs 2 5 10 6 6 9 7 Obs 5 6 10 Obs 4 3 8 7 4 9 8 7 The time per unit customer served is minutes. (Enter your response rounded to two decimal places.)

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