The mean of 10 score is 27.If one score is excluded their mean is 25 .Find out the excluded numbers?
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Answer:
35
Step-by-step explanation:
Total score of 10 = 27 * 10 = 270.
Total score of 9 ( one is excluded) = 9 * 25 = 225.
The excluded number = 270 - 225 = 35.
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