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CBSE Class 9 Answered

The mean of 10 observation is 20. If nine observations are 16, 20, 18, 17, 22, 16, 15, 20, 17; find the tenth observation.
Asked by Topperlearning User | 09 Dec, 2013, 12:25: AM
answered-by-expert Expert Answer

Let the tenth observation be x.


Answered by | 09 Dec, 2013, 02:25: AM

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