Veta Jovee Hagerman - Different dates

I show these dates http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=13597...
I also have a copy of the death certificate that shows:

Name Veta Jovee Hagerman
Birth Date 27 Mar 1952
Birth Place Texas
Gender Female
Race White
Residence Kyle, Hays, Texas
Father Eddie Hagerman
Mother Rosa Lee Littrell
Age at Death 2
Death Date 1 Nov 1954
Death Place Fort Sam Houston, Bexar, Texas