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A medical researcher at the State University of New York at Stony Brook is inter

ID: 3333633 • Letter: A

Question

A medical researcher at the State University of New York at Stony Brook is interested in the average blood pressure of men in their 50s who reside in Stony Brook. Since the researcher does not have the resources to measure the blood pressure of all men in their 50s who live in Stony Brook, she takes a sample and calculates the average blood pressure for the sample. A major benefit of the medical researcher using a sample rather than all men in their 50s who live in Stony Brook is that it is less expensiveThe use ofstetistical inference allows the medical researcher to estimate the population mean based on a sample that is quite small in comparison with the size of the population. The medical researcher's estimate of the population mean may be quite close to the actual population mean, provided that the sample is representative of the target population The population parameter being estimated is e The average blood pressure of all men in their SOs who live in Stony Brook O The average blood pressure of the men in the sample O The median blood pressure of the men in the sample The sample statistic is: The average blood pressure of the men in the sample O The median blood pressure of the men in the sample O The average blood pressure of all men in their 50s who live in Stony Brook The sampled population is O The men in their 50s who live in Stony Brook in the sample O The set of men in their 50s who live in Stony Brook from which the sample is drawn tion from which the sample of men in their s0s who live in Stony Brook is drawn The target population is: O O All the men in their 50s who live in Stony Brook The assumed population from which the sample of men in The set of men in their 50s who live in Stony Brook from which the sample is drawn their s0s who live in Stony Brook is drawn y not be the case that the medical researcher's sampled population matches the target population. This is a major problem for the medical researcher because it can lead to blased parameter estimates. This problem may occur if the medical researcher's sample is a self-selected sample. Which of the following correctly describe self-selected samples? Check all that apply consist of individuals more keenly interested in the issue than the rest of the population is consist of individuals less keenly interested in the issue than the rest of the population is Are never biased Are rarely based ONA 3.16 C 2004-2016 Apia. At rights reserved ©2013cngage Learning ocept as roted An ngts reserved. Grade It Now Save & Continue

Explanation / Answer

c) Sample is:

B option..The set of men

d) Target population is A option

e) Biased:

A and B option

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