SITE-A teams: Lesson 25
A fisheries researcher compiled the following data on lengths of randomly selected 6-year-old white female crappies (in millimeters):
217 219 231 225 223 235 230 217 222 214 225 251 220 225 220 221 253 210 218
221 228 222 233 220 218 225 234 222 227 213 235 223 222 223 234 224 231 220
Use the
CASIO fx7400G to draw a histogram for these data.Turn on the
CASIO fx7400G.
or just press 
when at the main menu screen.
Use your cursor arrows to
move to the first cell in List1 and enter the data given above. After entering a value
make sure to press to go down to the next cell.
Now we have to set the viewing window.
Press 
(V-Window).
Set up the viewing window as follows:
PressXmin: 200 Ymin: - 4
max: 260 max: 20
s c l: 5 s c l: 2
Press 
(GRPH)
Press 
(Green more key)
(SET )
Scroll down and set the parameters as follows:
StatGraph1G-Type: Hist
Press if necessary.
XList:
List1
Press if necessary.
if necessary.
Press
Press (GRPH)
Press (GPH1)
Set the parameters as follows:
Set Interval
Strt: 200
ptch: 5
The histogram will appear on the calculator screen.
Press
(Trace)
Use the right cursor arrow to move the "cross hairs" to get the frequencies in each category. The follow are visible:
x = 200 |
f=0 |
x = 205 |
f=0 |
x = 210 |
f=3 |
x = 215 |
f=5 |
x = 220 |
f=14 |
x = 225 |
f=6 |
x = 230 |
f=6 |
x = 235 |
f=2 |
x = 240 |
f=0 |
x = 245 |
f=0 |
x = 250 |
f=2 |
x = 255 |
f=0 |
What other statistics are available?
Press (Trace)
This will terminate the trace and return you to the calculator screen having the 1VAR submenu on it.
Press (1VAR)
Scroll down to see the following summary statistics that have been calculated on the data:
1-Variable
Press 
Turn off the
CASIO fx7400G. Press
(OFF)