ExcelBanter - Can we calculate RSD ( relative standard deviation) in Excel

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zizi

Can we calculate RSD ( relative standard deviation) in Excel

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Answer: Can we calculate RSD ( relative standard deviation) in Excel

Calculating RSD in Excel

1. Enter your data into a column in Excel.
2. Calculate the average of the data by using the

Code:

=AVERAGE(A1:A10)

function.
3. Calculate the standard deviation of the data by using the

Code:

=STDEV.S(A1:A10)

function.
4. Divide the standard deviation by the average and multiply by 100 to get the RSD. Use the formula

Code:

=(B2/B1)*100

where B1 is the cell containing the average and B2 is the cell containing the standard deviation.

Remember to express the RSD as a percentage.

Mike Middleton

Can we calculate RSD ( relative standard deviation) in Excel

zizi -

RSD ( relative standard deviation)

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

or

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

perhaps formatted as percentage

- Mike Middleton
http://www.DecisionToolworks.com
Decision Analysis Add-ins for Excel

zizi

Can we calculate RSD ( relative standard deviation) in Excel

many many thx to mike.
ur information help me alot

"Mike Middleton" wrote:

zizi -

RSD ( relative standard deviation)

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

or

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

perhaps formatted as percentage

- Mike Middleton
http://www.DecisionToolworks.com
Decision Analysis Add-ins for Excel

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