© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: 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