Casio FX-9860GII - SOFTWARE VERSION 2-00 Manuale utente

ADVANCED QUANTITATIVE REASONING

with the Casio fx-9860GII

Dr. Cathy Seeley

Charles A. Dana Center at the University of Texas - Austin

Unit II: Probability

(1c) How to write fractions in natural display using the Casio fx-9860GII

1. From the main menu, highlight the RUN•MAT icon

and press l.

2. Press Lthen pfor the Set-up screen; scroll

down to Frac Result. At the bottom of the screen,

there are two choices; qwill display fractions

as "improper", while wwill display fractions as

mixed numbers.

3. Select qto display answers as "improper"

fractions. Then, press dto return to the initial

screen.

4. To enter the fraction 8

3, press 3z8. This

calculator utilizes Natural Display, allowing for input

and output to appear as it would in a textbook.

____________________________________________________________________

(1c) How to change fractions to decimals using the Casio fx-9860GII

1. Enter the fraction 8

3by pressing 3z8l.

2. To change the fraction to a decimal representation,

press x. This is the "form to decimal" key and

operates as a toggle key.

3. You can return to fraction form by pressing xagain.

(1c) How to change fractions (and decimals) to percents

1. For a number in fraction form, such as 8

3, first

change to a decimal by pressing x.

2. Once the number is in decimal form, multiply by 100

to change to percent form. It may be necessary to

press xto display the number in decimal form

instead of fraction form.

Unit III: Statistical Studies

(1a) Seeding a calculator

It is not necessary to seed the Casio fx-9860GII.

(1e) How to use random sampling - choosing 5 schools from a list of 1000

1. From the main menu, highlight the RUN•MAT icon

and press l. If there is data on the screen, press

w(DEL), w(DEL-A), then qfor yes.

2. Press iu(>), e(PROB), r(RAND) and w

(Int). Then input 1,1000,5

kl. The screen shot to the right displays the

random sample 494, 219, 869, 587, and 144. Each

sample will be unique.

3. To display the next sample of 5 schools, press l

again.

____________________________________________________________________

(1e) How to fill in the table for Dream car using lists

Grade

Level

No. of

Students

Percentage

of Total

No. of

Students

for Sample

No. of

Students

for Sample

(Rounded)

7th 476

17.539 10.52

8th 511

9th 492

10th 473

11th 425

12th 337

Total 2,714

1. From the main menu, highlight the STAT icon

and press l. If any list contains data, highlight

any entry in the list and then press u(),>

r(DEL-A), then qto delete all entries in that

list. Repeat for each list containing data.

2. When all lists are cleared, title each column. Press

Bto scroll to the SUB row. Then press La(A-

LOCK) to activate Alpha-lock. Using the red letters at

the top right of each key, type the titles. Press l

after typing each title. Only 6 characters may be used

for each title. The space is above the decimal point.

Repeat these steps for each column.

Title the lists as:

List 1 – GRADE

List 2 - ST NO

List 3 – PER TO

List 4 – SAMP N

List 5 - ROUND

3. Highlight the first entry in List 1. Enter the

grades into List 1 using only the number.

Press lafter each entry. Scroll to the right

and up to move to the first entry of the next list.

4. Enter the number of students into List 2. Press l

after each number. Scroll to the right and up to

move to the next list. Do not enter the total.

5. Press

p. Highlight RUN•MAT and press l

to be in the correct menu to perform operations on

lists. In order to fill List 3 with the percentage of

the total, the calculator will divide each number in

List 2 by 2,714 and then multiply by 100. The result

will be stored in List 3. Do this by pressing iqq

2M2714m100bq3l.

6. In order to obtain the 60 samples needed, divide

List 3 by 100 and multiply by 60. Store these answers

in List 4. Do this by pressing

q3M100m60bq4l.

7. Press menu then highlight STAT and press lto

return to the lists. Scroll to the right to List 5. Round

the numbers in List 4 and enter the rounded values

into List 5.

____________________________________________________________________

(2b#5) How to construct a histogram using the Casio fx-9860GII

1. From the main menu, highlight the STAT icon

and press l. If any list contains data, highlight

any entry in the list and then press u(),>

r(DEL-A), then qto delete all entries in that

list. Repeat for each list containing data.

2. When all lists are cleared, enter the data given in

the problem into List 1: 2 students received an

average grade of 65, 7 students had 75, 9 students

had 85, and 3 students had 95. Press lafter

each entry.

3. Press

q(GRPH), u(SET), scroll down one line

to Graph Type, press u(>), then q(Hist). XList

should be List1 and Frequency should be 1. Press

dto return to the lists. Then press q(GPH1),

____________________________________________________________________

(2c) How to determine mean, standard deviation and 5-number summary using the Casio

fx-9860GII

The Phoenix Mercury of the Women’s National Basketball League had 14 players on the

roster for the 2008 season. The players and their average points per game (PPG) are shown

below.

Player Diana

Taurasi

Cappie

Poindexter

Tangela

Smith

Le’coe

Willingham

Kelly

Miller

Kelly

Mazzante

LaToya

Pringle

PPG 24.1 21.2 11.1 10.1 8.3 5.8 4.4

Player Brooke

Smith

Barbara

Farris

Olympia

Scott

Yuko

Oga

Allie

Quigley

Willnett

Crockett

Jennifer

Derevjanik

PPG 4.1 3.5 2.7 2.4 2.1 1.8 0.8

(Source: www.wnba.com/mercury/stats)

1. From the main menu, highlight the STAT icon

and press l. If any list contains data, highlight

any entry in the list and then press u(),

r(DEL-A), then qto delete all entries in that

list. Repeat for each list containing data.

2. Enter the PPG data into List 1, pressing l

after each entry.

3. Press w(CALC), then q(1VAR) to display all of

the 1-variable calculations for the data set. Scroll

down to view more calculations.

____________________________________________________________________

(2c#9 on worksheet)

How to construct a box plot with and without outliers

1. From the main menu, highlight the STAT icon

and press

l. If any list contains data, highlight

any entry in the list and then press u(),>

r(DEL-A), then qto delete all entries in that

list. Repeat for each list containing data.

2. Enter the PPG data into List 1, pressing l

after each entry.

3. Press q(GRPH), then u(SET). Scroll down one

line to Graph Type and press u(>), then w(Box).

Scroll down to Outliers and press w(Off) to

construct the box plot without outliers. (Press

q(On) to construct the box plot with outliers.)

Press dto return to the previous screen, then

q(GPH1). The first screen shot on the right

displays the box plot without outliers. The second

screen shot displays the box plot with outliers.

____________________________________________________________________

How to display two box plots using the same screen.

Using the same data as above, both the box plot with outliers and the box plot without

outliers will be displayed on the same screen.

1. From the main menu, highlight the STAT icon

and press l. If any list contains data, highlight

any entry in the list and then press u(),>

r(DEL-A), then qto delete all entries in that

list. Repeat for each list containing data.

2. Enter the PPG data into List 1, pressing l

after each entry.

3. Press

q(GRPH), u(SET), then q(GRPH1). Scroll

down one line to Graph Type and press u(>),

w(Box). Scroll down to Outliers and press w(Off)

to construct the box plot without outliers. Press d

to return to the previous screen. Press u(SET),

w(GRPH2). Scroll down one line to Graph

Type and press u(>), then w(Box). Scroll down

to Outliers and press q(On) to construct the box plot

with outliers. Press dto return to the previous

screen. Press r(SEL), then press qto turn

StatGraph1 on. Scroll down one place and press q

to turn StatGraph2 on. Press u(DRAW).

____________________________________________________________________

(2b) How to save to document on classroom computer.

1. Download the FA-124 Program-Link software to the computer before connecting the

calculator to the computer. The software and cable came packaged with the Casio

fx-9860GII calculator. Connect the calculator to the computer using the cable

provided. Once connected, a connection mode screen will appear on the calculator.

Select DATA TRANSFER: [F1]. The following screen will appear on the computer.

Use the mouse to click the connection button in the top left corner (see the red

arrow on the screen shot below).

2. The following screen will appear on the computer. Click on the icon next to User1

(see the red arrow on the screen shot below).

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