Statistical Calculations - LEXIBOOK SC300 Manual De Instrucciones

Statistical Calculations

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Press the key sequence 2ndF MODE 1 to select statistical mode with one variable, or 2ndF
MODE 2 to select the two-variable mode. The following statistics can be obtained for every
statistical calculations being performed (please refer to the table shown below):
Single-variable statistical calculation: Statistics of 2
Linear regression calculation: Statistics of 1 and 2 and, in addition, estimate of y for a given x
(estimate y´) and estimate of x for a given y (estimate x´).
The data you enter will be stored in the memory as long as you do not used the key sequence
2ndF CA or 2ndF MODE 1 2. Remember to clear the content of the memory before
entering new data.
a) Entering data
Single-variable data
Data DATA
Data (x, y) frequency DATA (In order to enter the same data several times)
Data x (x, y) Data y DATA
Data x (x, y) Data y (x, y) frequency DATA (In order to enter the same x and y data several
times)
b) Correcting the data
Correction prior to pressing the DATA key:
Delete the incorrect data using the ON/C key.
Correction after pressing the DATA key:
Press the key to confirm the last key being pressed and enter the key sequence 2ndF CD to
delete it.
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