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CTET Feb16p2, q56

0. The mean of the five observations x, x + 2, x + 4, x + 6, x + 8 is 11. Then, the mean of the first three observations is

  • Option : D
  • Explanation : Given, the mean of the 5 observations x, x + 2, x + 4, x + 6, x + 8 is 11.
    ctetfeb16 q56_d
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