Whats The efficient way to calculate the MAD in a hp12c?

CFA Level I Quant
#1

–38.49% –0.73% 0.00% 9.54% 11.39% 12.78% 13.41% 19.42% 23.45% 29.60%

I have all this values I know I need to calculate the mean first, however it`s possible to save the values in STO while pressing the M+?

When I try to save the numbers to the memories while calculating the mean with M+ it doesnt work…

I need to help I did some research but didn`t found something that cold help me

#2

There isn’t an efficient way to do it.

#3

Damn, I think this kind of question wll not be in the exam day them, because it takes time to do it way more than 90 secs…

#4

If it were on the exam, they’ll give you no more than 3 or 4 data points, and they’ll likely be easy ones (e.g., integers).