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The mean of 10 numbers is 15. If one number 15 is removed, the mean of the remaining 9 numbers is:

Class 9Measures of Central TendencyStatistics and Probability
  • A30
  • B14
  • C15
  • D16

Step-by-Step Solution

Total = . After removing 15, new total = 135 over 9 numbers. Mean = .
Answer: C) 15

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