AP Stats Chapter 6.notebook
September 27, 2018
GUIDE TO SOLVE STATS PROBLEMS WITH Z SCORES:
(have data,
want z score)
normcdf (Z
,Z )
Lower Upper
x
*see below for
help on normcdf
%
z
invnorm (% ile )
in decimal form
(have z score,
want data)
GUIDE TO TYPE normcdf IN YOUR CALCULATOR:
(-99, Z) % ile - Less
normcdf
Z score
% ile in
decimal
form
(Z, 99) % more
(Z , Z ) % between an interval
Lower Upper
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