CBSE Class 7 Answered
Mean of 9 numbers is 25. One number 14 is excluded. Find the new mean.
Asked by Topperlearning User | 11 Nov, 2013, 01:48: AM
Expert Answer
Mean of 9 numbers = 25
Thus, Sum of 9 numbers is 25 x 9 = 225
Excluded number = 14
Thus, Sum of the remaining 8 numbers = 225 - 14 = 211
Numbers left now = 9 - 1 = 8
New mean =
Answered by | 11 Nov, 2013, 03:48: AM
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