There are several basic questions involved in sampling design. "Should a sample be taken? If so, what process should be followed?" are two such questions. Which of the following questions is also involved in sampling design?
A) What kind of sample should be taken?
B) How large should the sample be?
C) What can be done to control and adjust for nonresponse errors?
D) All of the above are correct.
D
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Which of the following situations involves a loss that would typically NOT be excluded under a health insurance policy?
A) The insured is injured in combat while serving in the military. B) The insured is injured with a self-inflicted injury. C) The insured is injured while vacationing in a state that is not her state of residence. D) The insured intentionally injures himself while committing a felony.
An industrial engineer is conducting a time study for a work element. The select time is 4.5 minutes, and the sample standard deviation of the observed time is 20 seconds
What is the appropriate sample size if the estimate is to be 5 percent of the true average time 95 percent of the time? A) fewer than or equal to seven B) greater than seven but fewer than or equal to eight C) greater than eight but fewer than or equal to nine D) greater than nine