were received. (a) What population is sampled in this survey? The population is 100,000 randomly selected physicians practicing in the United States. The population is 2344 completed surveys received. The population is all physicians practicing in the United States. The population is all physicians.

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In 2010, the Physicians Foundation conducted a survey of physicians' attitudes about health care reform, calling the
report "a survey of 100,000 physicians." The survey was sent to 100,000 randomly selected physicians practicing in the
United States: 40,000 via post-office mail and 60,000 via email. Assume that a total of 2344 completed surveys
were received.
(a) What population is sampled in this survey?
The population is 100,000 randomly selected physicians practicing in the United States.
The population is 2344 completed surveys received.
The population is all physicians practicing in the United States.
The population is all physicians.
What is the sample size for this survey? (Enter your exact answer as a whole number.)
n =
Transcribed Image Text:In 2010, the Physicians Foundation conducted a survey of physicians' attitudes about health care reform, calling the report "a survey of 100,000 physicians." The survey was sent to 100,000 randomly selected physicians practicing in the United States: 40,000 via post-office mail and 60,000 via email. Assume that a total of 2344 completed surveys were received. (a) What population is sampled in this survey? The population is 100,000 randomly selected physicians practicing in the United States. The population is 2344 completed surveys received. The population is all physicians practicing in the United States. The population is all physicians. What is the sample size for this survey? (Enter your exact answer as a whole number.) n =
(b) What is the rate of nonresponse for this survey? (Give your answer as a percent rounded to two decimal places.)
nonresponse rate:
%
(c) Why is it misleading to call the report "a survey of 100,000 physicians"?
It is misleading because there was a low rate of nonresponse for this
survey.
It is misleading because the respondents may not all have been physicians.
It is misleading because some were contacted by post-office mail and some by email. They should have all been
contacted using the same method.
O It is misleading because only 2344 responses were received.
Transcribed Image Text:(b) What is the rate of nonresponse for this survey? (Give your answer as a percent rounded to two decimal places.) nonresponse rate: % (c) Why is it misleading to call the report "a survey of 100,000 physicians"? It is misleading because there was a low rate of nonresponse for this survey. It is misleading because the respondents may not all have been physicians. It is misleading because some were contacted by post-office mail and some by email. They should have all been contacted using the same method. O It is misleading because only 2344 responses were received.
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