Question: 36. Median When data are summarized in a frequency distribution, the median can be found by first identifying the median class (the class that contains

36. Median When data are summarized in a frequency distribution, the median can be found by first identifying the median class (the class that contains the median). We then assume that the values in that class are evenly distributed and we can interpolate.

This process can be described by where n is the sum of all class frequencies and m is the sum of the class frequencies that precede the median class. Use this procedure to find the median of the data set summarized in Table 2-2. How does the result compare to the median of the original list of data, which is 33.5? Which value of the median is better: the value computed for the frequency table or the value of 33.5?

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