21 How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.50 minutes per piece if the goal is to estimate the mean time per piece to within 0.2 minute with a confidence of 99.0 percent? (Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.) Observations

21 How many observations should a stopwatch time-study analyst plan for in a task that has a standard deviation of 1.50 minutes per piece if the goal is to estimate the mean time per piece to within 0.2 minute with a confidence of 99.0 percent? (Round the intermediate calculations to 2 decimal places. Round the final answer to the next whole number.) Observations

Essentials of Business Analytics (MindTap Course List)

2nd Edition

ISBN:9781305627734

Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Chapter3: Data Visualization

Section: Chapter Questions

Problem 9P: The following 20 observations are for two quantitative variables, x and y. a. Create a scatter chart...

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