# Maths

posted by
**Zani** on
.

If I have the mean and standard deviation of data how do I work out the percentage of data within 1,2,and 3 standard deviations of the mean?

:) any help would be much appreciated

thanks

posted by
**Zani** on
.

If I have the mean and standard deviation of data how do I work out the percentage of data within 1,2,and 3 standard deviations of the mean?

:) any help would be much appreciated

thanks