Unformatted text preview: 17th measure; therefore, the median falls within the $11.00 to $15.99 interval. The formula for the best approximation of the median for grouped data is where L is the lower class limit of the interval that contains the median, n is the total number of measurements, w is the class width, f med is the frequency of the class containing the median, and Σ f b is the sum of the frequencies for all classes before the median class....
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- Fall '08
- $11.00, median falls, $15.99, $15.19, Σ fb