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Q: What is the standard deviation of 7, 9 11, 13, 15? 7, 9 11, 13, 15 का मानक विचलन क्या है ?
  • A. 2.4
  • B. 2.5
  • C. 2.7
  • D. 2.8
Correct Answer: Option D -
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Explanations:

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