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how to calculate mean grouped data. First line contains X values with sepearated. Hence the mode is 23.
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In the formula of the mean for grouped data the letter f means the frequency of an interval the x i variable is the average of the limits of the interval. The MEAN Average for Grouped Data Finding the MEAN involves more working out than finding the Modal Class and Median Class. The class intervals are chosen in such a way that they must be mutually exclusive and exhaustive.
That is 20 times.
Find the mid-point for each group or range of the frequency table. To estimate the Mean use the midpoints of the class intervals. The MEAN Average for Grouped Data Finding the MEAN involves more working out than finding the Modal Class and Median Class. For grouped data class mode or modal class is the class with the highest frequency.
