A time study of a certain service task found an average time of 15 minutes, with a standard deviation of 5 minutes. These figures were based on a sample of 100 measurements
Is the sample large enough that we are 95% confident that standard time is within ±5% of its true value?
n = = = 170.74 or 171
No, the sample was too small.
Business
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Which of the following is NOT considered a factor that affects the industry in which the firm operates?
A) Technology B) Interest rates C) Regulation D) Credit conditions
Business
Which of the following statements is true about the digital dashboards?
A) They contain safeguards to protect sensitive employee data. B) They lack scalability and hence are not suitable for small- and medium-sized firms. C) They do not provide any indicators of individual employee performance. D) They present large amounts of data in formats that are not user-friendly.
Business