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History, 08.08.2019 00:10, barstr9146

The purpose of random sampling in a poll is to ensure that

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Mathematics, 30.07.2019 01:30, ecenteno2004

Which sampling method would most likely be used in a poll of voters regarding a referendum calling for a national gun control standardization? (a) use satisfied random sampling (b) use simple random sampling (c) use convenience sampling (d) use cluster sampling (e) use systematic random sampling

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Mathematics, 01.08.2019 01:30, reginaldboyd28

Suppose that 44% of all americans approve of the job the president is doing. the most recent gallup poll consisted of a random sample of 1400 american adults. a) what is the mean of the sampling distribution? b) what is the standard deviation of the sampling distribution? c) describe the normal approximation for this sampling distribution. d) what is the probability that the gallup poll will come up with a proportion within 3 percentage points of the true 44%?

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Mathematics, 17.09.2019 19:00, lin550

For a poll of voters regarding a referendum calling for a national railways development program, design a sampling method to obtain the inviduals in the sample. be sure to support your choice. which sampling method would most likely be used in a poll of voters regarding a referendum calling for a national railways development program? (a) use convenience sampling. a large number of voters is needed to accurately reflect the nation's voters; so a quick way to collect information is needed. (b) use systematic random sampling. by varying the k-value, a sampling of the whole nation can be selected to achieve the needed accuracy. (c) use stratified random sampling. since this is a national issue, different geographical locations are likely to have similar views. (d) use cluster sampling. each geographical region can be treated as a mini-population because a nation has so many individuals. (e) use simple random sampling. people are very likely to have different opinions on the issue based on how much they use any present services that would be affected.

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English, 05.10.2019 10:20, lizzoone

The purpose of random sampling in a poll is to ensure that all questions are answered correctly the respondents are all the same age the sample is a representative cross-section of the public the respondents are all the same gender

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