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Understanding Source Population and Sampling Units

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Understanding Source Population and Sampling Units

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Questions and Answers

What is the range of values within which we are 95% certain that the true population mean difference lies between smokers and non-smokers?

0.5 to 6.7

10.8 to 13.8 (correct)

12.3 to 13.8

10.8 to 12.3

What is the interpretation of the 95% Confidence Interval for the association between age and blood pressure?

We are 95% certain that the true population mean lies between 0.5 and 6.7

We are 95% certain that the true population Odds Ratio lies between 0.5 and 6.7

We are 95% certain that the true population regression coefficient lies between 0.5 and 6.7 (correct)

We are 95% certain that the true population mean difference lies between 0.5 and 6.7

What is the association between obesity and hypertension?

95% Confidence Interval of 2.10

Odds Ratio of 2.10 (correct)

Regression coefficient of 2.10

Mean difference of 2.10

What is the purpose of the 95% Confidence Interval in medical research?

To provide a range of values within which the true population parameter is likely to lie Signup and view all the answers

What is the concept of the sample in relation to the population?

The sample is a subset of the population Signup and view all the answers

What is the estimate in medical research?

A value that is calculated from the sample data Signup and view all the answers

What is the random error in medical research?

A chance variation in the study results Signup and view all the answers

What is the significance of interpreting a 95% Confidence Interval?

It provides a range of values within which the true population parameter is likely to lie Signup and view all the answers

What is the relationship between the LOB19 and the population?

LOB19 describes the sample, and the sample is a subset of the population Signup and view all the answers

What is the concept of LOB20 in medical research?

It describes the concept of the estimate Signup and view all the answers