Texas Instruments TI-84 - Manual (Page 362)

Chapter 13: Inferential Statistics and Distributions 359
Expected: prompt, enter the matrix variable name to which you want the computed
expected counts to be stored; default= [B] .
Matrix
editor:
Note: Press
y ú ~ ~
1 to
select 1:[A] from the MATRX EDIT
menu.
Input:
Note: Press
y ъ †] Н
to
display matrix [B].
Calculated
results: