In Metropolitan Region Y, 75% of the population lives in suburban areas, while only 25% remain in the central city. We draw a sample of 50 city residents and 50 suburban residents. This sample is ______.
A. invalid
B. unreliable
C. proportionate
D. unrepresentative
D. unrepresentative
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Randomization is used for
A) participant selection only. B) participant assignment only. C) participant selection and assignment. D) neither participant selection nor participant assignment.
The Administrative Procedure Act states that agencies must take what step before issuing new rules?
a. They must ask the president to initiate the new rule. b. They must allow Congress to vote on any new rule. c. They must seek approval from the federal courts. d. They must allow the public to vote on any new rule. e. They must allow interested parties to express their opinions.
History is an event beyond the researcher's control
Indicate whether the statement is true or false
A hallmark of the 1986 Consolidated Budget and Reconciliation Act is that:
a) Many employees who lose their jobs have been able to continue their group health insurance b) Insurance companies can no longer deny care to those with pre-existing conditions c) Healthcare can no longer be rationed d) Those under 21 can still obtain coverage under their parent's plan