Mathematics, 19.02.2021 01:00 karinahelpz1008
A methods and measurements analyst for Timepiece, Inc., needs to develop a time standard for the task of attaching a watch to a wristband. In a preliminary study, he observed one of his workers perform this task five times, with the following results: Observation 1 2 3 4 5 Time(Seconds) 27 19 20 21 13 How many observations should be made if he wants to be 95.44 percent confident that the maximum error in the observed time is one second
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