How to calculate 2 standard deviation?

Pls advise how to can I calculate 2 standard deviation in Excel? The StDev
function only gives 1 standard deviation.
Thanks,
Li

One way:

=2 * STDEV(rng)

In article <A7A932A0-A14B-4313-A12D-4A1452EF74BC@microsoft.com>,
"Li" <Li@discussions.microsoft.com> wrote:

> Pls advise how to can I calculate 2 standard deviation in Excel? The StDev
> function only gives 1 standard deviation.
> Thanks,
> Li