What is the mode of 8, 5, 7, 10, 15, 21, 5, 7, 2, 5?

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answer is B.

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Detailed Solution

The mode in a data set is defined as the number that occurs most frequently in a data set.
5 occurred three times, 7 occurred two times, and 2 and 21 occurred one time each.
5 is the most repeated number according to the definition mode.

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Best Online Course for NEET

Best Online Course for CBSE