SOCR EduMaterials AnalysisActivities TwoIndepT - Revision history

IvoDinov at 20:16, 23 January 2009

2009-01-23T20:16:05Z

IvoDinov at 19:43, 23 January 2009

2009-01-23T19:43:45Z

Brian Trinity at 19:22, 9 January 2008

2008-01-09T19:22:51Z

Annie: /* Two Independent Sample T-Test Example */

2007-08-25T07:35:13Z

‎Two Independent Sample T-Test Example

Annie: /* Two Independent Sample T-Test Example */

2007-08-06T22:07:34Z

‎Two Independent Sample T-Test Example

Annie: /* Two Independent Sample T-Test Background */

2007-08-06T22:02:57Z

‎Two Independent Sample T-Test Background

Annie: /* Two Independent Sample T-Test Example */

2007-08-06T21:58:21Z

‎Two Independent Sample T-Test Example

Annie: /* Two Independent Sample T-Test Example */

2007-08-05T21:27:43Z

‎Two Independent Sample T-Test Example

Annie: /* Two Independent Sample T-Test Example */

2007-08-05T06:27:55Z

‎Two Independent Sample T-Test Example

Annie: /* Two Independent Sample T-Test Example */

2007-08-05T06:24:24Z

‎Two Independent Sample T-Test Example

← Older revision		Revision as of 20:16, 23 January 2009
Line 40:		Line 40:

	{{translate\|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysisActivities_TwoIndepT}}		{{translate\|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysisActivities_TwoIndepT}}
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−	~~http://GODLY-WHEELS.INFO~~
−	~~http://HARD-TIRES.INFO~~
−	~~http://WHEELS-FOLDER.INFO~~
−	~~http://BLACK-TIRES.INFO~~
−	~~http://TIRE-TERRIFIC.INFO~~
−	~~http://TIRES-RUBBER.INFO~~
−	~~http://GREY-WHEELS.INFO~~
−	~~http://RIMS-STORY.INFO~~
−	~~http://WHALE-WHEELS.INFO~~
−	~~http://TIGER-RIMS.INFO~~
−	~~http://WHEELS-SIMPLIFIED.INFO~~
−	~~http://TOY-TOY-TOYS.INFO~~
−	~~http://TOYS-HQ.INFO~~
−	~~http://FUN-TOYS.INFO~~
−	~~http://THE-TOY-STORE.INFO~~
−	~~http://RINGTONE-HQ.INFO~~
−	~~http://FREE-RINGTONES-1.INFO~~
−	~~http://FABULOUS-RINGTONES.INFO~~
−	~~http://GLAMOROUS-RINGTONES.INFO~~
−	~~http://RHINO-RINGTONES.INFO~~
−	~~http://BLUE-RING-TONES.INFO~~
−	~~http://AMAZING-AMAZON.INFO~~
−	~~http://GLAMOROUS-DEALS.INFO~~
−	~~http://CRAZY-DEALS.INFO~~
−	~~http://DIABETIC-HOSIERY.INFO~~
−	~~http://HOSIERY-HOSIERY.INFO~~
−	~~http://DIABETIC-FOOTCARE.INFO~~
−	~~http://HOSIERY-DEALS.INFO~~
−	~~http://TOTALLY-DEALS.INFO~~
−	~~http://MAGICAL-WHEELS.INFO~~
−	~~http://LIZARD-TIRES.INFO~~
−	~~http://DRAGON-TIRES.INFO~~
−	~~http://COMMANDO-WHEELS.INFO~~
−	~~http://WHEELS-HQ.INFO~~
−	~~http://TIRES-HQ.INFO~~
−	~~http://TORQUE-TIRES.INFO~~
−	~~http://RHINO-RIMS.INFO~~
−	~~http://WHITE-WHEELS.INFO~~
−	~~http://BLUE-RIMS.INFO~~
−	~~http://WHEEL-RACKER.INFO~~
−	~~http://TIRE-RACKER.INFO~~
−	~~http://EXTRAORDINARY-TIRES.INFO~~
−	~~http://LOVE-RIMS.INFO~~
−	~~http://WHEELS-LOVE.INFO~~
−	~~http://SPECIAL-TIRES.INFO~~
−	~~http://MAGIC-WHEELS.INFO~~
−	~~http://DINO-RIMS.INFO~~
−	~~http://FAIRY-RIMS.INFO~~
−	~~http://WHEEL-FAIRY.INFO~~
−	~~http://TIRE-FAIRY.INFO~~
−	~~http://tosio.math.toronto.edu/wiki/index.php/Cosmic_Censorship_Hypothesis~~
−	~~http://simile.mit.edu/wiki/Random_RDFizer~~
−	~~http://qwiki.stanford.edu/wiki/Alex_Russel~~
−	~~http://writing.colostate.edu/blogs/view.cfm?blogid=27769~~
−	~~http://sea.unu.edu/wiki/index.php/Assessment_Techniques~~
−	~~http://wiki.western.edu/mcis/index.php/CIS~~
−	~~http://wiki.linux.edu/doku.php?do=show&id=start~~
−	~~http://wiki.linux.edu/doku.php?id=ironpenguin:capabilities~~
−	~~http://research.yale.edu/isp/a2k/wiki/index.php/Help:Contents~~
−	~~http://june5thinitiative-wiki.hss.rpi.edu/index.php?title=How_To_Use_the_WIKI~~

@@ Line 1: / Line 1: @@
-==Two Independent Sample T-Test Background==
+==[[SOCR_EduMaterials_AnalysesActivities | SOCR Analysis]] - Two Independent Sample T-Test Background==
-==Two Independent Sample T-Test Example (Poored Sample Variance) ==
+Given two groups of data, not necessarily with same sample size, we'd like to test the null hypothesis that the two groups have equal mean. This is a parametric test.
 We will demonstrate Two Independent T-Test with a SOCR built-in example.
 This example is based on the data taken from "Mathematical Statistics and Data Analysis" by John A. Rice, Second Edition, Ducbury Press, 1995. (Page 390)
@@ Line 20: / Line 21: @@
-'''2.''' Click on the "'''Mapping'''" button to get to the "'''Mapping'''" panel. Click on '''"ADD"''' under '''VARIABLE 1''' and to add '''A''', and click on '''ADD''' under '''VARIABLE 2''' to add '''B'''. This will add the variables for Two Independent Sample T-Test. We care about the difference, so which on goes to '''VARIABLE 1''' or '''VARIALBE 2''' is arbitrary. Here, the computer will set difference = Variable 2 - Variable 1. If you like the substraction to go the other way around, simple assign '''VARIABLE 1''' and '''VARIABLE 2''' in the opposite way.
+'''2.''' Click on the "'''Mapping'''" button to get to the "'''Mapping'''" panel. Click on '''"ADD"''' under '''VARIABLE 1''' and to add '''A''', and click on '''ADD''' under '''VARIABLE 2''' to add '''B'''. This will add the variables for Two Independent Sample T-Test. We care about the difference, so which on goes to '''VARIABLE 1''' or '''VARIALBE 2''' is arbitrary. Here, the computer will set difference = Variable 2 - Variable 1. If you like the subtraction to go the other way around, simple assign '''VARIABLE 1''' and '''VARIABLE 2''' in the opposite way.

← Older revision		Revision as of 19:22, 9 January 2008
Line 39:		Line 39:

	{{translate\|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysisActivities_TwoIndepT}}		{{translate\|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysisActivities_TwoIndepT}}
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+
		+	http://GODLY-WHEELS.INFO
		+	http://HARD-TIRES.INFO
		+	http://WHEELS-FOLDER.INFO
		+	http://BLACK-TIRES.INFO
		+	http://TIRE-TERRIFIC.INFO
		+	http://TIRES-RUBBER.INFO
		+	http://GREY-WHEELS.INFO
		+	http://RIMS-STORY.INFO
		+	http://WHALE-WHEELS.INFO
		+	http://TIGER-RIMS.INFO
		+	http://WHEELS-SIMPLIFIED.INFO
		+	http://TOY-TOY-TOYS.INFO
		+	http://TOYS-HQ.INFO
		+	http://FUN-TOYS.INFO
		+	http://THE-TOY-STORE.INFO
		+	http://RINGTONE-HQ.INFO
		+	http://FREE-RINGTONES-1.INFO
		+	http://FABULOUS-RINGTONES.INFO
		+	http://GLAMOROUS-RINGTONES.INFO
		+	http://RHINO-RINGTONES.INFO
		+	http://BLUE-RING-TONES.INFO
		+	http://AMAZING-AMAZON.INFO
		+	http://GLAMOROUS-DEALS.INFO
		+	http://CRAZY-DEALS.INFO
		+	http://DIABETIC-HOSIERY.INFO
		+	http://HOSIERY-HOSIERY.INFO
		+	http://DIABETIC-FOOTCARE.INFO
		+	http://HOSIERY-DEALS.INFO
		+	http://TOTALLY-DEALS.INFO
		+	http://MAGICAL-WHEELS.INFO
		+	http://LIZARD-TIRES.INFO
		+	http://DRAGON-TIRES.INFO
		+	http://COMMANDO-WHEELS.INFO
		+	http://WHEELS-HQ.INFO
		+	http://TIRES-HQ.INFO
		+	http://TORQUE-TIRES.INFO
		+	http://RHINO-RIMS.INFO
		+	http://WHITE-WHEELS.INFO
		+	http://BLUE-RIMS.INFO
		+	http://WHEEL-RACKER.INFO
		+	http://TIRE-RACKER.INFO
		+	http://EXTRAORDINARY-TIRES.INFO
		+	http://LOVE-RIMS.INFO
		+	http://WHEELS-LOVE.INFO
		+	http://SPECIAL-TIRES.INFO
		+	http://MAGIC-WHEELS.INFO
		+	http://DINO-RIMS.INFO
		+	http://FAIRY-RIMS.INFO
		+	http://WHEEL-FAIRY.INFO
		+	http://TIRE-FAIRY.INFO
		+	http://tosio.math.toronto.edu/wiki/index.php/Cosmic_Censorship_Hypothesis
		+	http://simile.mit.edu/wiki/Random_RDFizer
		+	http://qwiki.stanford.edu/wiki/Alex_Russel
		+	http://writing.colostate.edu/blogs/view.cfm?blogid=27769
		+	http://sea.unu.edu/wiki/index.php/Assessment_Techniques
		+	http://wiki.western.edu/mcis/index.php/CIS
		+	http://wiki.linux.edu/doku.php?do=show&id=start
		+	http://wiki.linux.edu/doku.php?id=ironpenguin:capabilities
		+	http://research.yale.edu/isp/a2k/wiki/index.php/Help:Contents
		+	http://june5thinitiative-wiki.hss.rpi.edu/index.php?title=How_To_Use_the_WIKI

@@ Line 2: / Line 2: @@
 Given two groups of data, not necessarily with same sample size, we'd like to test the null hpothesis that the two groups have equal mean. This is a parametric test.
-==Two Independent Sample T-Test Example==
+==Two Independent Sample T-Test Example (Poored Sample Variance) ==
 We will demonstrate Two Independent T-Test with a SOCR built-in example.
 This example is based on the data taken from "Mathematical Statistics and Data Analysis" by John A. Rice, Second Edition, Ducbury Press, 1995. (Page 390)
@@ Line 8: / Line 8: @@
 Here's the steps of the activity:
-'''1.''' Click on '''Two Independent Sample T-Test''' at the left panel's combo box.
+'''1.''' Click on '''Two Independent Sample T-Test (Poored)''' at the left panel's combo box.
 <center>[[Image:SOCR_AnalysisActivities_TwoIndepT_Chu_051707_Fig1.gif|700px]]</center>

← Older revision		Revision as of 22:07, 6 August 2007
Line 20:		Line 20:


−	'''2.''' Click on the "'''Mapping'''" button to get to the "'''Mapping'''" panel. Click on '''"ADD"''' under '''VARIABLE 1''' and to add '''A''', and click on '''ADD''' under '''VARIABLE 2''' to add '''B'''. This will add the variables for Two Independent Sample T-Test. We care about the difference, so which on goes to '''VARIABLE 1''' is arbitrary. Here, the computer will set difference = Variable 2 - Variable 1. If you like the substraction to go the other way around, simple assign '''VARIABLE 1''' and '''VARIABLE 2''' in the opposite way.	+	'''2.''' Click on the "'''Mapping'''" button to get to the "'''Mapping'''" panel. Click on '''"ADD"''' under '''VARIABLE 1''' and to add '''A''', and click on '''ADD''' under '''VARIABLE 2''' to add '''B'''. This will add the variables for Two Independent Sample T-Test. We care about the difference, so which on goes to '''VARIABLE 1''' or '''VARIALBE 2''' is arbitrary. Here, the computer will set difference = Variable 2 - Variable 1. If you like the substraction to go the other way around, simple assign '''VARIABLE 1''' and '''VARIABLE 2''' in the opposite way.

@@ Line 1: / Line 1: @@
 ==Two Independent Sample T-Test Example==
+We will demonstrate Two Independent T-Test with a SOCR built-in example.
 This example is based on the data taken from "Mathematical Statistics and Data Analysis" by John A. Rice, Second Edition, Ducbury Press, 1995. (Page 390)
@@ Line 13: / Line 15: @@
-On the right panel, first click on '''EXAMPLE 1''' and next click on "Data" to retreive the demonstrated example. This is the example we'll be looking at.Note that the data are difference of B - A.
+On the right panel, first click on '''EXAMPLE 1''' and next click on "Data" to retreive the demonstrated example. This is the example we'll be looking at.
 <center>[[Image:SOCR_AnalysisActivities_TwoIndepT_Chu_051707_Fig2.gif|700px]]</center>
-'''2.''' Click on the "'''Mapping'''" button to get to the "'''Mapping'''" panel. Click on '''"ADD"''' under '''VARIABLE 1''' and to '''VARIABLE 2''' add the variables for Two Independent Sample T-Test. We care about the difference, so which on goes to '''VARIABLE 1''' is arbitrary. You can just add column '''A''' to '''VARIABLE 1''' and '''B''' to '''VARIABLE 2'''.
+'''2.''' Click on the "'''Mapping'''" button to get to the "'''Mapping'''" panel. Click on '''"ADD"''' under '''VARIABLE 1''' and to add '''A''', and click on '''ADD''' under '''VARIABLE 2''' to add '''B'''. This will add the variables for Two Independent Sample T-Test. We care about the difference, so which on goes to '''VARIABLE 1''' is arbitrary. Here, the computer will set difference = Variable 2 - Variable 1. If you like the substraction to go the other way around, simple assign '''VARIABLE 1''' and '''VARIABLE 2''' in the opposite way.
@@ Line 25: / Line 26: @@
-'''3.''' Click on "'''Calculate'''" then "'''Result'''" to see the results.
+'''3.''' Click on "'''Calculate'''" then click on "'''Result'''" to see the results.

← Older revision		Revision as of 21:27, 5 August 2007
Line 32:		Line 32:

	'''Questions for students:''' By looking at the test results, what do you think about the data? What can you say about the two different shoe materials?		'''Questions for students:''' By looking at the test results, what do you think about the data? What can you say about the two different shoe materials?
		+
		+
		+
		+	<hr>
		+
		+	{{translate\|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysisActivities_TwoIndepT}}

← Older revision		Revision as of 06:27, 5 August 2007
Line 13:		Line 13:


−	On the right panel, first click on '''EXAMPLE 3''' and next click on "Data" to retreive the demonstrated example. This is the example we'll be looking at.Note that the data are difference of B - A.	+	On the right panel, first click on '''EXAMPLE 1''' and next click on "Data" to retreive the demonstrated example. This is the example we'll be looking at.Note that the data are difference of B - A.

	<center>[[Image:SOCR_AnalysisActivities_TwoIndepT_Chu_051707_Fig2.gif\|700px]]</center>		<center>[[Image:SOCR_AnalysisActivities_TwoIndepT_Chu_051707_Fig2.gif\|700px]]</center>

← Older revision		Revision as of 06:24, 5 August 2007
Line 1:		Line 1:
	==Two Independent Sample T-Test Example==		==Two Independent Sample T-Test Example==
−	We will demonstrate Two Independent T-Test with a SOCR built-in example. This example is based on a dataset from the statistical program "R." For more information of the R program, please see [http://cran.r-project.org/ CRAN Home Page]. The dataset used here is "shoes" under R's "MASS" library. In the dataset, ten boys are given to the wear of shoes of materials A and B for one foot. We'd like to find if one material is better than the other.

		+	We will demonstrate Two Independent Wilcoxon Test with a SOCR built-in example.
		+	This example is based on the data taken from "Mathematical Statistics and Data Analysis" by John A. Rice, Second Edition, Ducbury Press, 1995. (Page 390)

	Here's the steps of the activity:		Here's the steps of the activity: