Physics uncertainties

[Ross1234]

I have these results

[FONT=Lucida Sans, sans-serif]Speed of Sound[/FONT]


321.0 + 6.73%
315.7 + 6.73%
333.6 + 6.73%
317.2 + 6.73%
331.8 + 6.73%
313.5 + 6.73%


When I take the mean of them what will the uncertainty be of the mean?

Thanks, Ross

 

[Ross1234]

thanks

I will give it a shot