 TechArena Community Is it possbile to calculate RSD ( relative standard deviation) in Mircosoft Excel

#1
 KalaK Member Join Date: Nov 2011 Posts: 81
Is it possbile to calculate RSD ( relative standard deviation) in Mircosoft Excel

How to calculate RSD ( relative standard deviation) in Microsoft Excel ? Is there a ready for this function or do I tinker the formula. Then they would have standard deviation / mean.
#2
 Go!pee Member Join Date: Aug 2011 Posts: 578
Re: Is it possbile to calculate RSD ( relative standard deviation) in Mircosoft Excel

I like your description you should interpreter with the function
Code:
```RSD ( relative standard deviation)

=100*ABS(STDEV(data)/AVERAGE(data))

or

=ABS(STDEV(data)/AVERAGE(data))

perhaps formatted as percentage```
#3
 JyotiT Member Join Date: Aug 2011 Posts: 561
Re: Is it possbile to calculate RSD ( relative standard deviation) in Mircosoft Excel

The functions specified by you only refer to the standard deviation. Depending on time to a population or sample, or with a different point of view dealing with texts instead of numbers. I am looking for a function that represents the standard deviation relative to mean = coefficient of variation. But since I still can not find anything --- which means nothing, because Excel does not name things always at the correct name.
#4
 -Deven- Member Join Date: Aug 2011 Posts: 459
Re: Is it possbile to calculate RSD ( relative standard deviation) in Mircosoft Excel

Ah! You have therefore calculated the standard deviation. You simply divide it by the arithmetic mean of values to obtain a quotient which is the relative standard deviation. But important is how to calculate the standard deviation. Well I also would like to know how to calculate the relative difference between 6320 and 6380. But I think I have found the formula but I do not understand.
#5
 BillieJ Member Join Date: Jul 2011 Posts: 432
Re: Is it possbile to calculate RSD ( relative standard deviation) in Mircosoft Excel

The relative standard deviation is obtained by dividing the standard deviation for the expected value (or mathematical expectation) and, for example in Physics, provides a 'measure' of the precision of measurement, namely, its value (inversely proportional to it).

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