> >@='` 6bjbj{P{P 4:::+:::::::Nrrr8$,N222!!!]______$hX9:!!::22d:2:2]]::2`tԬriI0X:|!"C[o!!!Ud!!!NNN$rNNNrNNN::::::Name:____________________________
Date:_____________________________
Lab TI-Nspire"! icebreaker height analysis
2010 by Dr. Darrell D. Barnes
DEG APPRX REAL
HYPERLINK "http://www.myteacherpages.com/webpages/dbarnes"www.myteacherpages.com/webpages/dbarnes
Goal: Participants will make measurements with meter sticks and then analyze height data with the TI-Nspire"! calculator using lists and graphs. It is the intent of this activity to provide a relatively easy and quick ice-breaker introduction to the use of the Nspire"! calculator.
Step 1: Collect data
The instructor(s) will write height (in cm) on an appropriate surface in the classroom and each participant will write their height, in cm on the list. The participants will measure the height of their partner with two meter sticks. Since each meter stick is 100 cm, the sticks can be stacked and the centimeter number on the top stick is added to the 100 on the lower stick.
Ex: Height (in cm)
172
160
135
176
170
110
120
163
178
172
188
55
We will analyze this data on the Nspire.
Step 2: Data analysis
Home
New Document
Add Lists and Spreadsheets
Click
Use the navpad to go to the A cell at the top left corner of the spreadsheet and type height. This defines our data. Use the navpad to go to the first data cell 1 below. Do not type anything into the diamond (formula) row.
In the data cells below enter the height data.
Type each number sequentially in each of the lower cells pressing navpad down after each entry. Continue the process until you have entered all of the numbers in the list.
Graphical analysis of data from height list:
Home
Data and Stats
Click
Use the navpad to move the arrow to the bottom of the screen and click on the box. Select height and Click.
This is a dot plot of the data from the data we entered.
We will now copy the page so that we can modify it.
Control navpad up (takes us to thumbnail sketches of screens).
Control and Menu
Copy, click
Control and Menu
Paste, click
Control navpad down (returns us to a regular view of screen).
Menu
Plot Type
Navpad right or click
Select Box plot and click.
Use the navpad to move the arrow to the right side of the box plot on the line (whisker). It will form a hand. Notice the number that appears. This is called an outlier; basically a number that doesnt represent the main values of all of the data.
Next, move until you reach the right edge of the box. Q3 is the 75th percentile.
Continue to move the hand until you reach the next vertical line. This represents the median or the 50th percentile, the point at which half of the data lies above and half lies below.
The left side of the box is the 25th percentile and the left whisker also represents outliers with low values.
We will now copy the page again so that we can modify it.
Control navpad up (takes us to thumbnail sketches of screens).
Control and Menu
Copy, click
Control Menu
Paste, click
Control navpad down (returns us to a regular view of screen).
Menu
Plot Type
Navpad right or click
Select Histogram and click.
Using the arrow to click on a bar to show its # of cases and % of total data.
We will now copy the page again so that we can modify it.
Control navpad up (takes us to thumbnail sketches of screens).
Control and Menu
Copy, click
Control Menu
Paste, click
Control navpad down (returns us to a regular view of screen).
Menu
Plot Type
Navpad right or click
Select Normal Probability Plot and click.
Notice the 0.0 line which represents the median. Count the number of data points above and below the line. Remember, the median is the point at which half the data is above and half the data is below.
Check out the equation: the top number represents the average of the data and the number on the bottom indicates the amount of deviation from the average seen in this sample.
In the example performed, the average is 149.917 38.4837. This means that the range of heights in the sample is somewhere between 149.917-38.4837 = _________ and 149.917 + 38.4837 = _________.
Since probability deals with standard deviation, the numbers here indicate the values present 68% of the time (the values within 1 standard deviation 32% above and 32% below the middle point on a bell curve). This explains why the lowest data point is not included in the range calculated above.
Step 3: Conclusions
Using ctrl and navpad left, review the previous screens and answer the following:
Normal Probability plot: What is the average height of the sample according to the data provided?
Histogram: Which height is the most common according to the data provided?
Box plot: What was the median point of the sample?
> @
*@BJdln&
78OPbf}Ž摌ňh1h!&hNQf h'5hAhhTh'h'5hh85hh\W5hhA5h8hhbcKh*h Y0Jh-jh-Uhmhv-h'h-hqh\Wh-h Yh Y2DF >
Bn
gd'gd'gd\W$a$gdT$a$gdT$a$gd66
78OPUb}eAns.bgdbcKgd\Wgd'gd'&(.06de}!(,@Vlmnr
, 6?ۿįȧģȣh-hshbcKh[5hh[5hbcKhb5 h5hqh[hAhbcKh_Sh'hbhbcKhbcK>*h!&hNQf h'5hbcKhTh]|> *@[Vc
L]ivQgdFgd\W?GHOTY[UVaF\bcTXah{,1@PQ?@lzdhrv]^hh
<5 h
<5 h <5hh15hFh
<h
<ht hF5h-hFhFH*hwhhFhhH*hKhh!& h5h!&hs5hs9?@EOeZ
^
@AB03f5~6666666$a$gdgd\WgdF^v
A00P0|6~6666666666666666666ƾh[hhKmHnHuh-jh-UhUvjhUvUhAh'6hH0hH0Uhh!&h <hbh
<h
<h
<5#TI-Nspire"! hand-held technology training 2010 by Dr. Darrell D. Barnes
This material is for the personal use of instructors who are given the limited permission to copy handouts in regular classroom quantities for use with students in the instructor s regular classes and in presentations or conferences conducted by the instructor inside his or her own district institutions. Request for permission to further duplicate or distribute this material must be submitted in writing to the author.
In no event shall Texas instruments be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of these materials.
TI Connect, TI Navigator, TI-Nspire"!, TI Smartview Emulator, TI-Presenter and ViewScreen are trademarks"! of Texas Instruments Incorporated.
PAGE \* MERGEFORMAT 1
666666666gd\W$a$gd\W21h:p/ =!"#$%666666666vvvvvvvvv666666>6666666666666666666666666666666666666666666666666hH666666666666666666666666666666666666666666666666666666666666666666J@J\WNormaldCJ_HaJmH sH tH DA@D
Default Paragraph FontRiR0Table Normal4
l4a(k(
0No List6U@6 Y0 Hyperlink>*B*ph>> Y0HeaderdH$.. Y0 Char Char1> @"> Y0FooterdH$,O1, Y0
Char ChartCt8
Table Grid7:V0d:"#Fp!7
78OPUb}eAns.b *@[V c
L]ivQ
?
@
E
O
e
Z
^
@AB2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000,00,00,00,0@0@00,0
***-?^6
666X$&-!L#AA@0(
B
S ?X X0hDDII9*urn:schemas-microsoft-com:office:smarttagsplace9*urn:schemas-microsoft-com:office:smarttagsStateU.;?')\ g P"'33333;?$c}Y
tqozFga$h)-v-J01M-@-@/G[HDIIZKbcKAOMO.FS_S\WKZ~Z[/"[=<^%b!dYd~9eNQf>nhwh$0j&kUv;lwC
xd~}~K Y~^f]@t[!&[K
8D{N)dM(
B%Ss
<]|bTA'`eH0- <mzT&%/b
m@@@Pn.@@4B``
`@`0UnknownGz Times New Roman5Symbol3&z Arial7&{ @Calibri"1hjjpp!42HX $P Y2!Name:____________________________BarnesX0079822Oh+'0|
8D
P\dlt$Name:____________________________BarnesNormal.dotX00798222Microsoft Office Word@H'@RgԬ@RgԬ՜.+,D՜.+,Xhp
Hewlett-Packardp'"Name:____________________________Title 8@_PID_HLINKSAk:/http://www.myteacherpages.com/webpages/dbarnes
!"#$%&'()*+,./012346789:;<?Root Entry F0tԬA1TableWordDocument4:SummaryInformation(-DocumentSummaryInformation85CompObjq
FMicrosoft Office Word Document
MSWordDocWord.Document.89q