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The mean of 20 observations is 17. On checking, it was found that the two observations were wrongly copied as 3 and 6. If the wrong observations are replaced with correct values 8 and 9, then what is the correct mean?a)17.4b)16.6c)15.8d)14.2Correct answer is option 'A'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about The mean of 20 observations is 17. On checking, it was found that the two observations were wrongly copied as 3 and 6. If the wrong observations are replaced with correct values 8 and 9, then what is the correct mean?a)17.4b)16.6c)15.8d)14.2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mean of 20 observations is 17. On checking, it was found that the two observations were wrongly copied as 3 and 6. If the wrong observations are replaced with correct values 8 and 9, then what is the correct mean?a)17.4b)16.6c)15.8d)14.2Correct answer is option 'A'. Can you explain this answer?.

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