The accuracy of a labor standard is to be within ± 5%, and the confidence level is 95%. The standard deviation of the sample is 2 and the mean is 9.5. What sample size should be used?
A) 8
B) 10
C) 96
D) 127
E) 68

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The Answer of The accuracy of a labor standard is to be within ± 5%, and the confidence level is 95%. The standard deviation of the sample is 2 and the mean is 9.5. What sample size should be used?
A) 8
B) 10
C) 96
D) 127
E) 68

The Accuracy of a Labor Standard Is to Be Within