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Question 143

The mode of the following observations is:
14, 21, 64, 78, 42, 21, 39, 42, 21, 18, 17, 21, 10, 21

Solution

Mode is simply that entity which occurs with the highest frequency in the set of observations
Here, 21 occurs the most: 5 times out of 14 total observations.
Hence, it is the mode here.

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