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Unformatted text preview: e procedures on these pages each time you
perform a Statistics calculation. Deleting a Data Point
When the DEL indicator is displayed, you can delete a data point.
1. Press
2. Press or until the data point you want to delete is displayed.
. The data point you specified (both X and Y) is deleted. The calculator
decreases the numbers of subsequent data points so that there is no gap. Inserting a Data Point
When the INS indicator is displayed, you can insert a data point.
1. Press or
until the display shows the current X variable of the data
point where you want to insert the new data.
For example, if you want to insert a new second data point, display X02.
2. Press X. 3. Key in the new X value and press . The new X value is entered “above” the current data point. The
calculator increases the numbers of the current and subsequent data
points. For example, X02 becomes X03.
4. If necessary, press
. 52 . Then key in a value for the Y variable and press Chapter 6: Using the Statistics Worksheet Computing Results
Selecting a Statistics Calculation Method
1. Press
to select the statistical calculation portion of the
Statistics worksheet.
The most recently selected statistics calculation method is displayed:
LIN, Ln, EXP, PWR, or 1V.
2. Press
repeatedly until the statistics calculation method you
want is displayed.
If you are analyzing onevariable data, select 1V.
3. Press to begin computing results. Computing Results
To compute results based on the current data set, press
you have selected the statistics calculation method. repeatedly after The results of the statistical calculations (except for X' and Y') are
computed and displayed automatically when you access them.
For onevariable statistics, only values for n, x, Sx, x, X, and X2 are
computed and displayed. Computing Y'
1. If necessary, press
2. Press or . until X' is displayed. 3. Key in a value for X' and press
4. Press
5. Press . to display the Y' variable.
to compute a predicted Y' value. Computing X'
1. If necessary, press
2. Press or . until Y' is displayed. 3....
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 Summer '09
 PETRY

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