MathematicsThe mean of 56,15,48,49,52,57,30,51,42,50 is

The mean of 56,15,48,49,52,57,30,51,42,50 is


  1. A
    45
  2. B
    50
  3. C
    55
  4. D
    54 

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    Solution:

    Given, 56,15,48,49,52,57,30,51,42,50.
    To find the mean.
    No .of observations = 10.
    Sum of observations = 56+15+48+49+52+57+30+51+42+50
    450
    Mean = sum of all numbersNumber of observations Mean of the data = 45010
    45 Hence, option 1 is correct.
     
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