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ICSE Class 10 Answered

The mean of 16 variates is 8. If each variate is increased by 2 then find the mean of new variates
Asked by pangisamitha033 | 25 Jun, 2018, 08:23: PM
answered-by-expert Expert Answer
begin mathsize 16px style 8 equals fraction numerator sum for blank of straight x subscript straight i over denominator 16 end fraction 128 equals begin inline style sum for blank of end style begin inline style straight x subscript straight i end style begin inline style space end style begin inline style sum for blank of end style begin inline style straight x subscript straight i end style begin inline style plus end style begin inline style 16 end style begin inline style cross times end style begin inline style 2 end style begin inline style equals end style begin inline style 128 end style begin inline style plus end style begin inline style 16 end style begin inline style cross times end style begin inline style 2 end style begin inline style equals end style begin inline style 160 end style begin inline style space end style end style
Answered by Arun | 26 Jun, 2018, 10:30: AM

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