Single-var..

Chapter 16

Statistical Applications

The calculator provides the following pre-programmed statistical features accessible through the keystroke combination ‚Ù(the 5key):

Entering data

Applications number 1, 2, and 4 from the list above require that the data be available as columns of the matrix ΣDAT. This can be accomplished by entering the data in columns using the matrix writer, „², and then using functions STOΣ to store the matrix into ΣDAT.

For example, enter the following data using the Matrix Writer (see Chapters 8 or 9 in this guide), and store the data into ΣDAT:

2.1

1.2

3.1

4.5

2.3

1.1

2.3

1.5

1.6

2.2

1.2

2.5.

The screen may look like this:

Notice the variable @ DAT listed in the soft menu keys.

Calculating single-variable statistics

After entering the column vector into ΣDAT, press ‚Ù@@@OK@@ to select 1. The following input form will be provided:

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