A research wants to take a simple random sample of about 10% of the factory workers at two different factories to study the number of hours worked per week. Factory A has approximately 10,000 employees and Factory B has about 25,000 employees. Which of the following statements is correct if Factory A and Factory B come from the same population?
a. The sampling variability will be higher for Factory A than for Factory B.
b. The average number of hours must be known to make a statement about the sampling variability.
c. The sampling variability will be lower for Factory A than for Factory B.
d. The sampling variability will be the same for both Factory A and Factory B.
Correct: a
You might also like to view...
Briefly describe recurring arbitration's narcotic effect.
What will be an ideal response?
When overhead is debited to Overhead Control, what is the credit?
A) Various payable accounts B) Raw materials C) Supplies D) Equity E) None of these
Blake racked up three safety violations in one month and was taken off the construction crew and put in the office, meaning he was no longer eligible for overtime. He pled with his boss, saying he needed the money for rent. Citing that Blake's financial situation was not a concern of the company, he was put in the office until he could demonstrate that safety was a priority. This illustrates
A. extinction. B. equity theory. C. growth need strength. D. punishment. E. negative reinforcement.
Pricing decisions based only on revenue considerations often result in
A) a decrease in overall profitability. B) an increase in overall profitability. C) a decrease in overall revenue. D) a decrease in supply chain revenue.