Question: The following data represent observations for a task in an assembly process. How many observations would be necessary for the observer to be 99% confident

The following data represent observations for a task in an assembly process. How many observations would be necessary for the observer to be 99% confident that the average task time is within 5% of the true value? OBSERVATIONS (MINUTES) 1 2 1.5 1.6 3 1.4 4 1.5 5 1.5

OBSERVATIONS (MINUTES) 1 2 1.5 1.6 3 1.4 4 1.5 5 1.5

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