![](http://pdfasset.owneriq.net/4/9a/49a3af60-5b30-417f-a178-a55064eb4203/49a3af60-5b30-417f-a178-a55064eb4203-bg52.png)
82 Section 6: Statistics Functions
File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 82 of 209
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Keystrokes Display
g
1.19
Weighted mean cost per gallon.
A procedure for calculating the standard deviation and standard error (as well as
the mean) of weighted or grouped data is included in the hp 12c Solutions
Handbook.