(a) Why is the number of doctors per 100,000 people a better measure of the avai
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Question
(a) Why is the number of doctors per 100,000 people a better measure of the availability of health care than a simple count of the number of doctors in a state? A simple count may not be as accurate as a ratio might be. The area of states vary from state to state. The sample size may not be large enough Population size varies from state to state. The more people there are in a state, the more doctors are needed to get the same level of health care Use the histogram and boxplot to answer the following questions: 3:0 25 20 15 10 0 20040060800 (b) How would you describe the shape of this distribution? Symmetric Slightly right skewed Strongly right skewed with outliers Strongly left skewed with outliers Slightly left skewedExplanation / Answer
Solution :
a) Population varies from state to state. The more people there in a state, the more doctors are needed to get the same level of Healthcare.
b) Strongly right skewed with outliers.
Because the more data are lies in positive space of xy plane and some obersrvations are too far from center of the data.
c) Mean and Standard deviation.
Because these measures clearly tells about the data values which are strongly affected to the results.
d) the median will be greater than mean because the median is more robust and the distribution is skewed right.
e) outliers have greater effect on mean, so removing D.C.should change xbar more than M.
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