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Suppose Jerry collects data on the retirement age of people in his city Select the true statements about the mean, median, and midrange of the data set. The mean, median and midrange are likely to be about the same because the distribution of the data is likely to be roughly symmetrical. The midrange is likely to represent a typical retirement age because the data are likely to be distributed uniformly. of the mean, median, and midrange, the midrange is the simplest to compute but most likely the least useful of the three. The median represents a typical retirement age more accurately than the mean because there are likely to be relatively few individuals who can retire at a very young age The mean is probably less than the median because the data are likely skewed to the left.

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In this case Jerry is considering the entire population of the city that means population is very large. For this large population data for the retirement age can be considered normally distributed . Hence the mean, median and mid range likely to be about the same because the distribution of data is roughly symmetrical.

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