For the following report, identify, if possible, a) the population; b) the population parameter of interest;...

  

Transcribed Image Text:

For the following report, identify, if possible, a) the population; b) the population parameter of interest; c) the sampling frame; d) the sample; e) the sampling method, including whether or not randomization was employed; and f) any potential sources of bias you can detect and any problems you see in generalizing to the population of interest. A magazine interviewed 1022 randomly selected adults in a country aged 18 and older. The magazine reports that when asked whether respondents thought that global warming was due primarily to human activities, 57% of respondents said it was. a) What is the population? O A. The 1022 randomly selected adults aged 18 and older O B. The 57% of respondents who stated that global warming was due primarily to human activities OC. Everyone in the country who believes in global warming O D. All adults in the country aged 18 and older b) What is the population parameter of interest? O A. The number of randomly selected people O B. The proportion of adults in the country who believe that global warming is happening OC. The proportion of adults in the country who believe that global warming is due to human activity O D. The proportion of people who subscribe to the magazine c) What is the sampling frame? O A. All people in the country who believe in global warming O B. All adults in the country aged 18 and older OC. All people in the country who do not believe in global warming O D. All people in the country d) What is the sample for this study? O A. The sample is all people in the country who do not believe in global warming. O B. The sample is all people in the country who believe in global warming. OC. The sample is 1022 randomly selected adults in the country aged O D. The sample is all adults in the country. and older. e) What sampling method was used? O A. The sampling method used was not clear, but it was a random sample. OB. The sampling method used was voluntary sampling, so it was not a random sample. OC. The sampling method used was convenience sampling, so it was not a O D. The sampling method used was systematic sampling, so it was a random sample. random sample. O E. The sampling method used was stratified sampling, so it was a random O F. The sampling method used was cluster sampling, so it was a random sample. sample. f) What type of bias is evident in this sample? O A. Not clear; it is not known if the samples were randomly chosen. O B. Nonresponse bias OC. Voluntary response bias O D. Undercoverage and response bias O E. None What problems can you see in generalizing to the population of interest? O A. The question itself is related to those who respond. O B. None OC. Those who respond may have strong feelings one way or another. OD. Age could have a significant impact on how the population responds. Click to select your answer. For the following report, identify, if possible, a) the population; b) the population parameter of interest; c) the sampling frame; d) the sample; e) the sampling method, including whether or not randomization was employed; and f) any potential sources of bias you can detect and any problems you see in generalizing to the population of interest. A magazine interviewed 1022 randomly selected adults in a country aged 18 and older. The magazine reports that when asked whether respondents thought that global warming was due primarily to human activities, 57% of respondents said it was. a) What is the population? O A. The 1022 randomly selected adults aged 18 and older O B. The 57% of respondents who stated that global warming was due primarily to human activities OC. Everyone in the country who believes in global warming O D. All adults in the country aged 18 and older b) What is the population parameter of interest? O A. The number of randomly selected people O B. The proportion of adults in the country who believe that global warming is happening OC. The proportion of adults in the country who believe that global warming is due to human activity O D. The proportion of people who subscribe to the magazine c) What is the sampling frame? O A. All people in the country who believe in global warming O B. All adults in the country aged 18 and older OC. All people in the country who do not believe in global warming O D. All people in the country d) What is the sample for this study? O A. The sample is all people in the country who do not believe in global warming. O B. The sample is all people in the country who believe in global warming. OC. The sample is 1022 randomly selected adults in the country aged O D. The sample is all adults in the country. and older. e) What sampling method was used? O A. The sampling method used was not clear, but it was a random sample. OB. The sampling method used was voluntary sampling, so it was not a random sample. OC. The sampling method used was convenience sampling, so it was not a O D. The sampling method used was systematic sampling, so it was a random sample. random sample. O E. The sampling method used was stratified sampling, so it was a random O F. The sampling method used was cluster sampling, so it was a random sample. sample. f) What type of bias is evident in this sample? O A. Not clear; it is not known if the samples were randomly chosen. O B. Nonresponse bias OC. Voluntary response bias O D. Undercoverage and response bias O E. None What problems can you see in generalizing to the population of interest? O A. The question itself is related to those who respond. O B. None OC. Those who respond may have strong feelings one way or another. OD. Age could have a significant impact on how the population responds. Click to select your answer.

Answer rating: 100% (QA)

Solution a The population in the given study is identified below From the given information the US consumer magazine asked all adult subscribers whether they had used experimental medical treatments T... View the full answer