A sample of 300 dentists from Seattle is taken to estimate the median income of
ID: 3020952 • Letter: A
Question
A sample of 300 dentists from Seattle is taken to estimate the median income of all Seattle residents.
Is this study
A. REPRESENTATIVE?
B. NON-REPRESENTATIVE?
A simple random sample of 2000 men over age 18 is taken to estimate the mean weight of all adult males. Is this study
A. REPRESENTATIVE?
B. NON-REPRESENTATIVE?
A simple random sample of 2,500 men over the age 18 is taken to estimate the mean height of all adult males.
Is this study
A. REPRESENTATIVE?
B. NON-REPRESENTATIVE?
A simple random sample of 1000 voters is taken in order to determine the chances of a certain candidate winning an election.
Is this study
A. REPRESENTATIVE?
B. NON-REPRESENTATIVE?
Using a sample of 400 patients from a local hospital, researchers measured cholesterol level in an attempt to estimate the mean cholesterol level of U.S. citizens.
Is this study
A. REPRESENTATIVE?
B. NON-REPRESENTATIVE?
Explanation / Answer
Non representative
Representative
Representative
Representative
Non representative