What grade do you need to be able to take a AP class next year?

I took AP Geography in 9th grade,,, but it also depends on what classes your school offers to certain grades and what class you are going to be taking

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in