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Author Question: A manager who is conducting a time study now needs an accuracy of 0.1 minutes, rather than 0.2 ... (Read 140 times)

Sufayan.ah

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on: Dec 3, 2019

Question 1

For a time study, the three factors that determine how large a sample size to take are
◦ actual time, standard time, and mean time.
◦ the level of confidence, the z-value, and normal time.
◦ actual time, normal time, and standard time.
◦ the level of confidence, the z-value, and the work sampling idle percent.
◦ needed accuracy, desired confidence, and standard deviation of the initial sample.

Question 2

A manager who is conducting a time study now needs an accuracy of ±0.1 minutes, rather than ±0.2 minutes as in the past. Because of this change in accuracy, the adequate sample size becomes
◦ one-fourth as large.
◦ four times as large.
◦ eight times as large.
◦ twice as large.
◦ one-half as large.
Operations Management (Canadian Edition) ¦ Heizer, Render, Griffin ¦ 1st Edition
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Marked as best answer by Sufayan.ah on Dec 3, 2019

mfedorka

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Reply #1 on: Dec 3, 2019
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Sufayan.ah

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Reply 2 on: Dec 3, 2019
Thanks for the timely response, appreciate it

amynguyen1221

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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