Speeding Up Weighted Average Calculations? studying, averages, function, computer

NakedPuts

is there a function im missing somewhere on either the ba2 plus pro or hp 12c that would allow for quicker computations of weighted averages? its so nice when studying at a computer to be able to quickly =sumproduct these things and sadly thats not an option on the exam

mik82

awesome, i totally overlooked that. thanks so much!

canadiananalyst

It is there! look at the blue lettering on key "6" it is Xw for weighted average, for example:

value1 enter weight-Factor1 and Sigma Plus key
value2 enter weight-Factor2 and Sigma Plus key
value2 enter weight-Factor2 and Sigma Plus key

then press g+6

mar350

like a g6...