The Accuracy of a Labour Standard Is to Be Within

question 1

Multiple Choice

The accuracy of a labour standard is to be within 5%, and the confidence level is 95%. The standard deviation of the sample is 2 and the mean is 8. What sample size should be used?

• A) 8
• B) 10
• C) 96
• D) 127
• E) cannot be determined from the information given

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