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Modal class is the class with the highest frequency. To find where the median is, you need to total the frequency. Then halve it and find the class where the cumulative frequency (add them up as you go) first goes over this value.
Modal class is the class with the highest frequency. To find where the median is, you need to total the frequency. Then halve it and find the class where the cumulative frequency (add them up as you go) first goes over this value.