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A student scores the following marks in five tests : 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean score is 48 in the six tests, then the standard deviation of the marks in six tests is :
  • a)
    10/√3
  • b)
    10/3
  • c)
    100/√3
  • d)
    100/3
Correct answer is option 'A'. Can you explain this answer?
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A student scores the following marks in five tests : 45, 54, 41,...
Let marks in the 6th test is x
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A student scores the following marks in five tests : 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean score is 48 in the six tests, then the standard deviation of the marks in six tests is :a)10/√3b)10/3c)100/√3d)100/3Correct answer is option 'A'. Can you explain this answer?
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A student scores the following marks in five tests : 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean score is 48 in the six tests, then the standard deviation of the marks in six tests is :a)10/√3b)10/3c)100/√3d)100/3Correct answer is option 'A'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A student scores the following marks in five tests : 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean score is 48 in the six tests, then the standard deviation of the marks in six tests is :a)10/√3b)10/3c)100/√3d)100/3Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A student scores the following marks in five tests : 45, 54, 41, 57, 43. His score is not known for the sixth test. If the mean score is 48 in the six tests, then the standard deviation of the marks in six tests is :a)10/√3b)10/3c)100/√3d)100/3Correct answer is option 'A'. Can you explain this answer?.
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