4. Arki Ramos recorded the following times assembling a watch. Determine (a) the average time, (b) the normal time, and (c) the standard time taken by her, using a performance rating of 95% and a personal allowance of 8%. Assembly Times Recorded OBSERVATION NO. TIME (MINUTES) OBSERVATION NO. TIME (MINUTES) 1 0.11 0.12 2 0.10 10 0.09 3 0.11 11 0.12 4 0.10 12 0.11 0.14 13 0.10 6 0.10 14 0.12 7 0.10 15 0.14 8 0.09 16 0.09

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