Turn-around time of a job is defined as the difference between its completion an

Question

Turn-around time of a job is defined as the difference between its completion and arrival times.Individual turn-around times of the Sun& Fun Manufacturing Company can be assumed to be normally distributed. Drawn from an infinite population, in a random sample of n=100 jobs ,.. the sample mean was found to be days and the unbiased sample standard deviation was found to be 2 days. Based on these information, the unbiased point estimate of the unknown population standard deviation is A. 3 days B.5 days C. 2 days . Not enough information given to answer this question None of the above

Explanation / Answer

Point estimate is sample stdandard deviation.

unbiased sample standard deviation=2 days

AANSWER :2 DAYS

OPTIONC

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