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Question

What is the mean of given numbers ?



  1. 9

  2. 6

  3. 1.5

  4. 3


Solution

The correct option is C
1.5
There are 6 numbers present in the box.

Sum of all the numbers  = 6 + 20 + 15 - 11 - 4 - 17 = 9
Number of observations = 6

Mean = Sum of ObservationsNumber of Observation
         
96 = 1.5

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