Casio RM-9850GA PLUS Manual de usuario descargar pdf (Pagina 6)

4. SORTING DATA

Data lists can be sorted into ascending or descending order, either independently, or keeping columns

together. Press the continuation key F6 to see the two choices F1 (SRT

A) and F2 (SRT

D).

If several lists are to be sorted together, you will need to identify a Base List to be sorted; other lists will

follow this list.

Be careful: once sorted, data cannot be restored automatically to the original order.

5. DATA TRANSFORMATIONS

New variable lists can be constructed by transforming existing lists. To define a new variable list in this

way, first use to position the cursor in the title cell at the top of the list.

Then define the new variable as a transformation of one of the other list variables. Press

OPTN F1 (LIST) to bring the List variables to the screen. Then use F1 (LIST) to identify list variables.

For example, to define a variable in List 3 that is the sum of the two variables in List 1 and List 2, enter

the command List1 + List2 at the top of List 3 column, and then press EXE to confirm your choice.

You can define a list variable in terms of itself, too. For example, the command log List1 at the top of List

1 will replace each value in List1 by its logarithm to base 10.

6. ANALYSING DATA FROM TABLES

Data in a table can be electronically transferred to a list and hence analysed. This is a particularly useful

facility for dealing with simulated data.

With the cursor placed in the appropriate column of the table, press OPTN F1 F2 (LMEM) to show the

List Memory function. Choose one of the six lists into which to store the data from the table. (Choose

carefully, since this will erase whatever data is already in that list, and replace it with the data from the

table.)

7. PREDICTING WITH A REGRESSION LINE

After a regression line is constructed, predictions can be made in RUN mode (MENU 1). Press

OPTN F5 (STAT) to bring the x and y predictions to the screen. To make a prediction, using the last

regression model found, press the score followed by the variable to be predicted. For example, to predict

the y value when x = 10, press 10 F2 (y).

8. RECALLING STATISTICS

After calculation, any statistics are stored in the VARS menu. In RUN mode, press VARS followed by

F3 (STAT) to select them.

9. STATISTICAL INFERENCE

Hypothesis testing and confidence interval construction are both available after data have been

enetered. Press F3 (TEST) to select a test or F4 (INTR) to construct an interval. Data need to be

identified as lists or as variables (in which case, statistical summary data are entered). Use the cursor

keys to complete all the necessary inputs before executing the analysis. For most tests, a probability

distribution can be drawn with F6 (DRAW) as well as a relevant calculation completed by pressing

F5 (CALC).

10. DATA LOGGING

Data can be retrieved from a Casio EA-100 Data Analysis unit by first connecting with a cable (SB-62),

then executing a Receive command on the calculator. Press SHIFT VARS (PRGM) and then F6 F4 (I/O),

followed by F4 (RECV). Data must be stored into one of the calculator lists. Note that time data are

always transmitted first by the data logger. For example, the commands Receive(List5) EXE followed by

Receive(List6) EXE will store the Time data into List 5 and the measurements made into List 6. Use

OPTN F1 (LIST) to obtain the List command. After data are received, they can be analysed in the same

way as other data.

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Casio RM-9850GA PLUS Manual de usuario Pagina 6

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