In measuring the center of the data from a seduced distribution, the median woul

Question

In measuring the center of the data from a seduced distribution, the median would be preferred over the mean for most purposes because: the mean may be too heavily influenced by the larger observations and this gives too high an indication of the center the median is less than the mean and smaller numbers are always appropriate for the center the median measures the arithmetic average of the data excluding outers the mean measures the spread in the data the median is the most frequent number while the mean is most likely. A study of 250 patients admitted to a hospital during the past year reversed that on the average, the patients lived 15 miles from the hospital. What is the statistic of interest? The average of the 250 patients 250 The average number of miles that the 250 patients lived from the hospital The average number of miles that admitted patients lived from the hospital

Explanation / Answer

In measuring the center of the data from a skewed distribution the median would be preferred over the mean for most purposes because :

(a) the mean may be too heavily influenced by the larger observations and this gives too high an indication of the center.

250 patients studied during the past year revealed that on average they lived 15 miles from the hospital.

The statistic of interest is

3. The average number of miles the 250 patients live from the hospital. ( statistic is a measure of the sample)

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