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The distributions X and Y with total number of observations 36 and 64 , and mean 4 and 3 respectively are combined. What is the mean of the resulting distribution X+Y ?

Options

  1. A3.26
  2. B3.32
  3. C3.36
  4. D3.42

Correct answer

C. 3.36

Step-by-step solution

The correct answer is option (C).

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