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The mean of 23 observations is …

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The mean of 23 observations is 14 . The mean of first 12 of them is 14 and the last 12of them is 17 . Find the 13th observation.

Posted by Hitkar Miglani 5 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Hitkar Miglani 5 years, 1 month ago

0Thank You

Roshan Raj 5 years, 1 month ago

15 will be the answer

0Thank You

ANSWER

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CBSE > Class 09 > Mathematics