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Question 90Asked in BPSC TRE 2.0 (2023) Mathematics and Science Class 6-8

The standard deviation of 11, 14, 15, 17, 18 is11, 14, 15, 17, 18 का मानक विचलन है

11, 14, 15, 17, 18 का मानक विचलन है
  1. A22
  2. B√5√5
  3. C√6√6
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (C) √6√6

Explanation

Mean = 15. Squared deviations: 16, 1, 0, 4, 9, total 30, variance = 6, so SD = √6.माध्य = 15। विचलनों के वर्ग: 16, 1, 0, 4, 9, योग 30, प्रसरण = 6, अतः मानक विचलन = √6।

From BPSC TRE 2.0 (2023) Mathematics and Science Class 6-8 — Previous Year Paper

This is question 90 of BPSC TRE 2.0 (2023) Mathematics and Science Class 6-8 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.