Operation Manual

© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide For Teachers
78
Removing Data Points
(Cont.)
%
˜
Return to the first data point.
Display the lowest score, drop it,
and then find the new mean (v).
Clear all data by exiting
STAT
mode.
Press Display
v
X
1
=85
S
STAT DEG
$ $ $ $
X
3
=53
S
STAT DEG
$ 0 <
FRQ=0
S
0.
STAT DEG
u "
n
v
Sx
s
x
-
86.
STAT DEG
%
˜
EXIT ST: Y N
-
STAT DEG
<
~
DEG