mean of 15 obs is 23. if each obs. is multiplied by 2. find new mean.
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then mean is also multiplied by 2
new mean is 46
new mean is 46
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Initial mean × 2
23×2=46
Since all multiplied by 2....... When all the numbers are done with same operation then mean gets also muliplied/divided/subtracted /added
23×2=46
Since all multiplied by 2....... When all the numbers are done with same operation then mean gets also muliplied/divided/subtracted /added
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