Question 251052: 1.) Given the situation described, identify the type of sampling involved. A fraternity assigned an ID number to each of its current pledges. Twenty-eight of the numbers are chosen by drawing them out of a hat. Each Fraternity member whose number was drawn is asked about his level of alcohol use.
A. Random sampling
B. Systematic sampling
C. Convenience Sampling
D. Stratified sampling
E. Cluster sampling
I think the answer is D. Is this correct?
2.) Jane was told that her systolic blood pressure reading of 123 was in the 56th percentile for people aged 16-24. Interpret its meaning.
The meaning for this is that Jane is in the median for the people in the age group of 16-24 for systolic blood pressure. Is this answer correct? Thank you for your assistance.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Given the situation described, identify the type of sampling involved. A fraternity assigned an ID number to each of its current pledges. Twenty-eight of the numbers are chosen by drawing them out of a hat. Each Fraternity member whose number was drawn is asked about his level of alcohol use.
A. Random sampling
B. Systematic sampling
C. Convenience Sampling
D. Stratified sampling
E. Cluster sampling
I think the answer is D. Is this correct?
Cluster sampling requiires you divide the population into two groups
then randomly select a sample from each group.
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I think it is "A", Random sampling.
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2.) Jane was told that her systolic blood pressure reading of 123 was in the 56th percentile for people aged 16-24. Interpret its meaning.
The meaning for this is that Jane is in the median for the people in the age group of 16-24 for systolic blood pressure. Is this answer correct? Thank you for your assistance.
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Meaning: 56% of those tested had a score below your score.
Cheers,
Stan H.
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