beautypg.com

Texas Instruments TI-73 EXPLORER User Manual

Page 153

background image

Chapter 7: Statistical Analyses

147

7307ENG.DOC CH 7, Statistical Analyses, English Julie Hewlett Revised: 07/29/98 12:07 PM Printed: 05/19/99

9:00 AM Page 147 of 22

2. After entering the lists,

define

Plot1

as a scatter plot

using

L

1

and

L

2

, as shown to

the right.

- e

For more information on defining stat

zplots, see Chapter 6: Statistical Plots.

3. Turn off

Y

2

,

Y

3

, and

Y

4

, if

they have been previously

defined and selected.

- l :
- }

2

6

2

¡

3

¡

4

b

4. Find the

ExpReg

curve, and

store the results to

Y

1

.

- l : -
v !

7

- }

2

1

b

Specifying

¨

1 and

¨

2 is optional since

they are the default

list names

.

However, if you were using other list

names, you would have to enter them

before the

Yn

variable.

5. View the curve on the

Graph screen.

(

6

6. View the equation stored to

Y

1

, if desired.

&

Y

2

, Y

3

, and Y

4

may vary.