Find the number of observations for the line study

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Reference no: EM131894372

Question: A time study of a factory worker has revealed an average observed line of 3.40 minuses, with a standard deviation of 1.28 minutes. These figures were based on a sample of 45 observation. Assume that the firm wants to be 99% confident that line standard time is within 5% of the true value.

Based on the given information and the given confidence level and accuracy level, the number of observations that would be necessary for the line study = observations

Based on the findings, the conclusion would be that the current sample size of 45 is for the line study.

Reference no: EM131894372

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