Why is the matrix division not 1 defined

TI-83 Plus Application Examples596

Investigate with

|

and

~

each drawing with

minX

,

Q

1

,

Med

,

Q

3

and

maxX

. Note the outlier in the right-hand data

the women. What is the median for the left hand? As for that

right hand? With what hand scored according to the box charts

which women get the better results?

9. Examine the results of the men. Define the

Drawing 1 for the use of

L.

3

new, define the

Drawing 2 for the use of

L.

4

new and then press

r

.

% Left-hand data for men

% Right-hand data of men

Press

|

and

~

to match any drawing with

minX

,

Q

1

,

Med

,

Q

3

and

maxX

to investigate. What differences do you see in the

Drawings?

10. Compare the left hand results. Define the

Drawing 1 for the use of

L.

1

redefine and redefine the

Drawing 2 for the use of

L.

3

new and then press

r

to match any drawing with

minX

,

Q

1

,

Med

,

Q

3

and

maxX

to

examine. Who had the better hit rate with the left hand,

Men or women?