Computing statistical results, Selecting a statistics calculation method, Computing results – Texas Instruments Calculator User Manual

Page 73: Computing y, Computing x

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Statistics Worksheet

69

Computing Statistical Results

Selecting a Statistics Calculation Method

1.

Press

& k to select the statistical calculation portion of the

Statistics worksheet.

2.

The last selected statistics calculation method is displayed (LIN, Ln,
EXP, PWR, or 1-V).

3.

Press

& V repeatedly until the statistics calculation method you

want is displayed.

4.

If you are analyzing one-variable data, select 1-V.

5.

Press

# to begin computing results.

Computing Results

To compute results based on the current data set, press

# repeatedly

after you have selected the statistics calculation method.

The calculator computes and displays the results of the statistical
calculations (except for X' and Y') automatically when you access them.

For one-variable statistics, the calculator computes and displays only the
values for

n

,

v,

Sx

,

s

X

,

G

X

, and

G

X

2

.

Computing Y'

1.

To select the Statistics worksheet, press

& k.

2.

Press

" or # until X' is displayed.

3.

Key in a value for X' and press

!.

4.

Press

# to display the Y' variable.

5.

Press

% to compute a predicted Y' value.

Computing X'

1.

To select the Statistics worksheet, press

& k.

2.

Press

" or # until Y' is displayed.

3.

Key in a value for Y' and press

!.

4.

Press

" to display the X' variable.

5.

Press

% to compute an X' value.

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