Dear,
I have Qulity Control data of cement Strenth I would like to insert Bell curve Histogram in Excel using those dta.

Please help,

Date 1 Day Strength ( M.Pa)
01.04.2011 17.5
02.04.2011 17.9
03.04.2011 17.6
04.04.2011 17.9
05.04.2011 18.1
06.04.2011 17.6
07.04.2011 17.2

Regards,

Girish H. Tndon