Sharp EL-9900 Manuale utente

Sharp EL-9900

Graphing Calculator

Basic Keyboard Activities

General Mathematics

Algebra

Programming

Advanced Keyboard Activities

Algebra

Calculus

Statistics

Trigonometry

Programming

Sharp EL-9900

Graphing Calculator

Advanced Keypad

EL-9900

SUB SPLIT TBLSET DRAW FORMAT CALC

OPTION LIST CLIP

OFF A-LOCK

STAT

PLOT

SLIDE

SHOW

2ndF

ALPHA

GRAPH

TABLE

WINDOW

ZOOM

TRACE

789 ()

456

–

0(–)

ENTER

+–

–

MATH

STAT

PRGM

sin

STO

DEL BS

X/0/T/n

x–1

log

abc

cos tan

INS

SOLVER

MATRIX

TOOL

RCL VARS

SET UP QUIT

sin cos tan

–1 –1 –1

BCDEF

GH I J K

uvw

L4 L5 L6

L1 L2 L3

MN O

{}

QRST

CATALOG

FINANCE

SPACE ENTRY

ANS

EXE

=

Y Z

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a non-weighted one-variable data set

1. Turn the calculator on and press STAT to enter the statistics menu.

2. Touch A (EDIT) ENTER , to view the statistics data entry screen.

If there is a data set present within the lists on your calculator, use the

arrow keys to move to the list, if necessary, and press ▲to highlight the

list label.

3. Press DEL ENTER to delete the old data. Repeat for other lists of data.

4. Move the highlighter to the cell directly below the L1 in the table. Enter the

following data set:

58768935

by pressing 5 ENTER 8 ENTER 7 ENTER 6 ENTER 8 ENTER

9 ENTER 3 ENTER 5 ENTER .

5. To check the data you have entered, press ▲to move back through the

data values.

6. To sort your data set in an ascending manner, press STAT B

(OPE) 1(sortA) 2ndF L1 ) ENTER . Press STAT A (EDIT)

ENTER . Notice this first cell now contains the smallest value 3.

7. To save this data set, press 2ndF LIST C (L_DATA) 1

(StoLD) 1 ENTER . You can store up to ten sets of six lists.

8. To retrieve a data set matrix into a statistical data set, press 2ndF

LIST C (L_DATA) 2(RclLD) 1 ENTER .

CREATION OF A ONE-VARIABLE DATA SET

+–

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a weighted one-variable data set

1. Turn the calculator on and press STAT to enter the statistics menu.

2. Press A (EDIT) ENTER , to view the statistics data entry screen.

Remove old data by using the arrow keys to move to the list of data, and

press ▲to highlight the list label. Press DEL ENTER to delete the old

data. Repeat for other lists of data.

3. Move the highlighter to the cell directly below the L1 in the table. Enter the

following data set into L1 with the frequencies entered into L2. If a value

appears three times within a data set, its weight or frequency is 3. Enter the

following data set using the weights:

5557777899

by pressing 5 ENTER 7 ENTER 8 ENTER 9 ENTER 3

ENTER 4 ENTER 1 ENTER 2 ENTER .

4. To save this data set, press 2ndF LIST C (L_DATA)

1(StoLD) 2 ENTER .

CREATION OF A ONE-VARIABLE DATA SET

▼

+–

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for calculating numerical descriptions of a one-variable

non-weighted data set

1. Turn the calculator on and press STAT to enter the statistics menu.

Press A (EDIT) ENTER to view the statistics data entry screen.

If there is a data set present within the lists on your calculator, use the

arrow keys to move to the list, if necessary, and press ▲to highlight the

list label. Press DEL ENTER to delete the old data. Repeat for other lists

of data.

2. Move the highlighter to the cell directly below the L1 in the table.

Enter the following data set:

25 32 28 33 31 27 40 38 29 30

3. Check the data you have entered and correct any errors you may find.

Press 2ndF QUIT to exit the data entry screen. To calculate the numerical

descriptions of the data set, press STAT C (CALC) and 1 (1_Stats).

Press ENTER and the statistical results will appear.

4. The statistics displayed are:

1. the average or mean value of the data set, ;

2. the standard deviation assuming the data set is a sample from a

population, sx;

3. the standard deviation assuming the data set represents the entire

population, σx;

4. the sum of the data values, ∑x;

5. the sum of the squared data values, ∑x2;

Press ▼five times to see more of the statistics.

6. the number of values in the data set, n;

7. the minimum value in the data set, xmin;

8. the first quartile (25th percentile), Q1;

9. the median (50th percentile), Med;

10. the third quartile (75th percentile), Q3; and

Press ▼one more time to see the final statistic.

11. the maximum value in the data set, xmax.

NUMERICAL DESCRIPTION OF A

ONE-VARIABLE DATA SET

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a non-weighted data set's histogram

1. Turn the calculator on, press STAT A (EDIT) ENTER to view the

statistics data entry screen. Delete old data sets.

2. Move the highlighter to the cell directly below the L1 in the table and enter

the following data set:

15 28 17 36 38 19 13 25 27 41

3. Check the data you have entered by pressing ▲to move back through

the data.

4. To graph a histogram that represents the data set, you must first press

STAT PLOT A (PLOT1) and press ENTER . A PLOT1 setup screen

will appear. Turn the plot on by pressing ENTER . Select one-variable

data by pressing ▼ENTER . Set the list to L1 by pressing ▼

2ndF L1 ENTER . A blank Freq: prompt indicates the data is non-weighted

and the frequencies are one. Choose the histogram graph by pressing ▼

STAT PLOT A (HIST) and 1 (Hist).

5. Set the calculator to rectangular graphing by pressing 2ndF SET UP

E(COORD) 1(Rect) and press 2ndF QUIT .

6. Set the viewing window by pressing WINDOW . Set the horizontal axis to

10 < x< 50 with Xscl = 10 by pressing 1 0 ENTER 5 0 ENTER 1

0 ENTER . Set the vertical axis to 0 < y< 5 with Yscl = 1 by pressing 0

ENTER 5 ENTER 1 ENTER .

7. To view the histogram, press GRAPH .

HISTOGRAM REPRESENTATION OF A

ONE-VARIABLE DATA SET

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a weighted data set's histogram

1. Press STAT A (EDIT) ENTER to view the statistics data entry screen.

Delete old data sets.

2. Move the highlighter to the cell directly below the L1 in the table and enter

the following data set using weights:

1112222344

by pressing 1 ENTER 2 ENTER 3 ENTER 4 ENTER 3

ENTER 4 ENTER 1 ENTER 2 ENTER .

3. Press STAT PLOT A (PLOT1) ENTER and a PLOT1 setup screen

will appear. Turn the plot on by pressing ENTER . Select one-variable

data by pressing ▼ENTER . Set the list to L1 by pressing

▼2ndF L1 ENTER . Set the frequencies to L2 by pressing 2ndF L2

ENTER . Choose the histogram graph by pressing STAT PLOT A (HIST)

and 1 (Hist).

4. To set this viewing window, press WINDOW and set the horizontal axis

to -.5 < x< 5.5 with Xscl = 1 by pressing (–) • 5 ENTER 5 • 5

ENTER 1 ENTER . Next, set the vertical axis to -1 < y< 5 with

Yscl = 1 by pressing (–) 1 ENTER 5 ENTER 1 ENTER .

5. Press Y= and CL to clear any graphs. Press GRAPH view the histogram.

HISTOGRAM REPRESENTATION OF A

ONE-VARIABLE DATA SET

▼

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a non-weighted data set's broken-line graph

1. Turn the calculator on and press STAT to enter the statistics menu.

Delete old data and enter the following data set for L1:

15 28 17 36 38 19 13 25 27 41

2. Check the data you have entered by pressing ▲to move back through

the data.

3. To graph a broken-line graph for the data set, first press STAT PLOT

A(PLOT1) ENTER . Turn PLOT1 on by pressing ENTER .

Press ▼ENTER to choose one-variable data. Press ▼2ndF L1

ENTER to enter L1 as the data list. Clear the frequency prompt by pressing

DEL ENTER . Set the graph to a broken line graph by pressing

STAT PLOT B (B.L.) 3(Broken).

4. In our example, the smallest value is 13 and the largest value is 41.

The logical intervals for the data set would be 10-19 (tens), 20-29 (twenties),

30-39 (thirties), and 40-49 (forties). To set this viewing window, press

WINDOW and set the horizontal axis to 10 < x< 50 with Xscl = 10.

Set the vertical axis to 0 < y< 5 with Yscl = 1.

5. To view the graph, press GRAPH .

6. Press TRACE and then press repeatedly to trace the points making up

the broken-line graph.

7. Turn PLOT1 off by pressing STAT PLOT ENTER ENTER

2ndF QUIT .

OTHER GRAPHICAL PORTRAYALS OF A

ONE-VARIABLE DATA SET

▼

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a weighted data set's box-and-whisker chart

1. Press STAT to enter the statistics menu. Delete old data and enter the

following data set in L1 using weights in L2:

1112222344

2. To construct a box-and-whisker chart, first press STAT PLOT A

ENTER . Press ENTER to turn PLOT1 on. Press ▼ENTER to choose

one-variable data. Press ▼2ndF L1 ENTER to enter L1 as the data

list. Set the frequency prompt to L2 by pressing 2ndF L2 ENTER .

Set the graph to a box-and-whisker chart by pressing STAT PLOT E (BOX)

1Box.

3. In the example, the data is discrete with a smallest value of 1 and a largest

value of 4. Set the viewing window to 0 < x< 5 with Xscl = 1. Next, set the

vertical axis to 0 < y< 1 with Yscl = 1.

4. To view the box-and-whisker chart for the data, press GRAPH .

5. Press TRACE followed by and to view the five values making up the

box-and whisker chart.

6. Turn PLOT1 off by pressing STAT PLOT ENTER ENTER

2ndF QUIT .

OTHER GRAPHICAL PORTRAYALS OF A

ONE-VARIABLE DATA SET

▼

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Steps for creating a pie chart from count data

1. Press STAT to enter the statistics menu. Delete old data and enter the

following data set in L1 using weights in L2:

24 18 40 10

2. To construct a pie chart, first press STAT PLOT ENTER . Press ENTER

to turn PLOT1 on. Press ▼ENTER to choose one-variable data. Press ▼

2ndF L1 ENTER to enter L1 as the data list. Leave the Freq prompt

blank. Set the graph to a pie chart by pressing STAT PLOT F (PIE) 1

(PIE) .

3. To view the pie chart for the data, press GRAPH .

4. Press TRACE followed by and to highlight and mark the pieces of

the pie.

5. Turn PLOT1 off by pressing STAT PLOT ENTER ENTER

2ndF QUIT .

OTHER GRAPHICAL PORTRAYALS OF A

ONE-VARIABLE DATA SET

▼

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