Operation Manual

Applications 14-3
8214APPS.DOC TI-82, Chapter 14, English Bob Fedorisko Revised: 02/09/01 9:27 AM Printed:
02/09/01 12:43 PM Page 3 of 20
6. Press
q
9
(to select
ZoomStat
). This adjusts the viewing
WINDOW
and displays the box plots for the women’s results (left on top).
7. Press
r
and examine
minX
,
Q
1
,
Med
,
Q
3
, and
maxX
for each plot.
What is the median for the left hand? For the right hand? Does it appear
that the women guessed correctly more often with the left or right
hand?
8. Examine the men’s results. Press
y
ã
STAT PLOT
ä
and redefine
Plot1
to
use
L
3
and
Plot2
to use
L
4
. Press
r
. What difference do you see
between the plots?
9. Compare the left-hand results. Press
y
ã
STAT PLOT
ä
and redefine
Plot1
to use
L
1
and
Plot2
to use
L
3
. Press
r
. Were women or men better
at guessing with their left hands?
10. Compare the right-hand results. Press
y
ã
STAT PLOT
ä
and redefine
Plot1
to use
L
2
and
Plot2
to use
L
4
. Press
r
. Were women or men
better at guessing with their right hands?
The original experiment found that boys did not guess as well with their
right hands, while girls guessed equally well with either hand. That is
not what these box plots showed for adults. Do you think that this is
because adults have learned to adapt or because our sample was not
large enough?