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The mean of 20 observations is 12.5. Byerror, one observation was noted as –15 instead of 15. Then the correct mean is _____.a)11.75b)11c)14d)13Correct answer is option 'C'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about The mean of 20 observations is 12.5. Byerror, one observation was noted as –15 instead of 15. Then the correct mean is _____.a)11.75b)11c)14d)13Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mean of 20 observations is 12.5. Byerror, one observation was noted as –15 instead of 15. Then the correct mean is _____.a)11.75b)11c)14d)13Correct answer is option 'C'. Can you explain this answer?.

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