Math, asked by sukhmanpreet750, 1 year ago

if mean of n term is x . and if 1st term is increased by1 and 2 nd term is increased by 2 and so on than find the new mean

Answers

Answered by ShukantPal

Let the numbers be $x_{y}$ (0 ≤ y < n), then the mean of the given set is

∑ $x_{i}$ / n = $S_{1}$

But the new mean is $S_{2} [/text]<br /><br />= (1 + [tex] x_{1}$ ) + (2 + $x_{2} [/text]) + ... / n<br /><br />=(3/n) + [tex] S_{1}$

= x + 3/n

sukhmanpreet750: Thnq for answer

ShukantPal: How to edit answer - very useless site you know, no preview! Sorry for improper symbols

sukhmanpreet750: Its ok g

akash433: this answer is wrong

sukhmanpreet750: Then what is the right way

ShukantPal: the site doesnt allow previewing the answer so it is very poor

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