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Grouped Data Explorer: Medians, Modes, and Ranges

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Grouped Data Explorer: Medians, Modes, and Ranges

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Find median, mode, and range

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P Prasheeba
P Prasheeba
United Arab Emirates

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Grouped Data Explorer: Medians, Modes, and Ranges
 

Grouped Data Explorer: Medians, Modes, and RangesOnline version

Find median, mode, and range

by P Prasheeba
1

You’re given a grouped data table with these class intervals and frequencies: 10-19 (5), 20-29 (12), 30-39 (8), 40-49 (4). Use this information to identify the middle value, the most frequent interval, and the spread of the data. What are the median, mode, and range of this dataset?

Hints

Hint 3: For the mode, identify the modal class (the one with the highest frequency) and apply the grouped-data mode formula, then compute the range from the smallest and largest data values.

Hint 2: For the median, locate the class where the middle observation falls and use the grouped-data median formula.

Hint 1: First determine the total number of observations by summing all frequencies.

 
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