SOCR EduMaterials AnalysisActivities NormalPower - Revision history

IvoDinov at 20:11, 23 January 2009

2009-01-23T20:11:36Z

IvoDinov: /* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

2008-01-31T02:55:29Z

/* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

Annie: /* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

2007-08-06T19:46:37Z

Annie: /* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

2007-08-06T19:43:26Z

Annie: /* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

2007-08-06T19:41:38Z

Annie: /* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

2007-08-06T07:07:58Z

Annie: /* This SOCR Activity demonstrates the utilization of the SOCR Analyses package for statistical Computing. In particular, it shows how to use Power Analysis Tool for Normal Distribution and how to rea

2007-08-06T07:07:34Z

Annie: /* Calculating Sample Size with Known Power e. */

2007-08-06T06:53:04Z

‎Calculating Sample Size with Known Power e.

Annie: /* Calculating Power with Known Sample Size. */

2007-08-06T06:52:53Z

‎Calculating Power with Known Sample Size.

Annie: /* Calculating critical point. */

2007-08-06T06:52:15Z

‎Calculating critical point.

@@ Line 13: / Line 13: @@
 '''1.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power | Finding Power with Known Sample Size]]
-* This activity lets the user input his own sample size, means of the null and alternative hypothesis, standard deviation, and significance level. The power will be computed, and graph of power will be provided. Normal curves of the data, as well as the distrubitions of the estimated means, will be displayed.
+* This activity lets the user input his own sample size, means of the null and alternative hypothesis, standard deviation, and significance level. The power will be computed, and graph of power will be provided. Normal curves of the data, as well as the distributions of the estimated means, will be displayed.
 '''2.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power_Random | Finding Power with Known Sample Size, Using Randomly Generated Data]]

@@ Line 4: / Line 4: @@
-* As you start the SOCR Analyses Applet, click on "'''Normal Distribution Power'''" from the combo box in the left panel. Here's what the screen should look like.
+* As you start the [http://socr.ucla.edu/htmls/SOCR_Analyses.html SOCR Analyses Applet], click on "'''Normal Distribution Power'''" from the combo box in the left panel. Here's what the screen should look like.
 <center>[[Image:SOCR_AnalysisActivities_NormalPower_Chu_072607_Fig1.gif|700px]]</center>
 <center>[[Image:SOCR_AnalysisActivities_NormalPower_Chu_072607_Fig1A.gif|450px]]</center>
 There are FOUR things you can do with the SOCR Normal Power Analysis Activity:
 '''1.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power | Finding Power with Known Sample Size]]
@@ Line 22: / Line 17: @@
 '''2.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power_Random | Finding Power with Known Sample Size, Using Randomly Generated Data]]
 * This activity is similar to the one above, but the computer generates a set of data and part of the input is computed using the data, such as the sample size, the mean pf the null and the standard deviation. The user than needs to specify the mean of the alternative and significance level, for power analysis.
 '''3.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_SampleSize | Finding Sample Size with Known Power]]
 * This one works the "opposite" of the above two. Power is given by the user and sample size is computed.
 '''4.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_ZScore | Finding Z-Score and P-Value for some Number]]
 * This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.

← Older revision		Revision as of 19:46, 6 August 2007
Line 28:		Line 28:


−	'''4.''' [[~~SOCR_EduMaterials_AnalysisActivities_NormalPower_CriticalPoint~~ \| Finding Z-Score and P-Value for some Number]]	+	'''4.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_ZScore \| Finding Z-Score and P-Value for some Number]]
	* This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.		* This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.

@@ Line 18: / Line 18: @@
 '''1.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power | Finding Power with Known Sample Size]]
-** This activity lets the user input his own sample size, means of the null and alternative hypothesis, standard deviation, and significance level. The power will be computed, and graph of power will be provided. Normal curves of the data, as well as the distrubitions of the estimated means, will be displayed.
+* This activity lets the user input his own sample size, means of the null and alternative hypothesis, standard deviation, and significance level. The power will be computed, and graph of power will be provided. Normal curves of the data, as well as the distrubitions of the estimated means, will be displayed.
 '''2.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power_Random | Finding Power with Known Sample Size, Using Randomly Generated Data]]
-** This activity is similar to the one above, but the computer generates a set of data and part of the input is computed using the data, such as the sample size, the mean pf the null and the standard deviation. The user than needs to specify the mean of the alternative and significance level, for power analysis.
+* This activity is similar to the one above, but the computer generates a set of data and part of the input is computed using the data, such as the sample size, the mean pf the null and the standard deviation. The user than needs to specify the mean of the alternative and significance level, for power analysis.
 '''3.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_SampleSize | Finding Sample Size with Known Power]]
-** This one works the "opposite" of the above two. Power is given by the user and sample size is computed.
+* This one works the "opposite" of the above two. Power is given by the user and sample size is computed.
 '''4.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_CriticalPoint | Finding Z-Score and P-Value for some Number]]
-** This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.
+* This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.

@@ Line 14: / Line 14: @@
-There are three things you can do with the SOCR Normal Power Analysis Activity:
+There are FOUR things you can do with the SOCR Normal Power Analysis Activity:
-* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power | Finding Power with Known Sample Size]]
+'''1.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power | Finding Power with Known Sample Size]]
 ** This activity lets the user input his own sample size, means of the null and alternative hypothesis, standard deviation, and significance level. The power will be computed, and graph of power will be provided. Normal curves of the data, as well as the distrubitions of the estimated means, will be displayed.
-* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power_Random | Finding Power with Known Sample Size, Using Randomly Generated Data]]
+'''2.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power_Random | Finding Power with Known Sample Size, Using Randomly Generated Data]]
 ** This activity is similar to the one above, but the computer generates a set of data and part of the input is computed using the data, such as the sample size, the mean pf the null and the standard deviation. The user than needs to specify the mean of the alternative and significance level, for power analysis.
-* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_SampleSize | Finding Sample Size with Known Power]]
+'''3.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_SampleSize | Finding Sample Size with Known Power]]
 ** This one works the "opposite" of the above two. Power is given by the user and sample size is computed.
-* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_CriticalPoint | Finding Z-Score and P-Value for some Number]]
+'''4.''' [[SOCR_EduMaterials_AnalysisActivities_NormalPower_CriticalPoint | Finding Z-Score and P-Value for some Number]]
 ** This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.

← Older revision	Revision as of 07:07, 6 August 2007
Line 17:	Line 17:


	+	* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power \| Finding Power with Known Sample Size]]
	+	** This activity lets the user input his own sample size, means of the null and alternative hypothesis, standard deviation, and significance level. The power will be computed, and graph of power will be provided. Normal curves of the data, as well as the distrubitions of the estimated means, will be displayed.
	+
	+	* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_Power_Random \| Finding Power with Known Sample Size, Using Randomly Generated Data]]
	+	** This activity is similar to the one above, but the computer generates a set of data and part of the input is computed using the data, such as the sample size, the mean pf the null and the standard deviation. The user than needs to specify the mean of the alternative and significance level, for power analysis.
	+
	+
	+	* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_SampleSize \| Finding Sample Size with Known Power]]
	+	** This one works the "opposite" of the above two. Power is given by the user and sample size is computed.
	+
	+	* [[SOCR_EduMaterials_AnalysisActivities_NormalPower_CriticalPoint \| Finding Z-Score and P-Value for some Number]]
	+	** This simple activity takes user-specified mean, standard deviation and significance level, with any given number "x", and computes for the z-score of x.

← Older revision		Revision as of 06:53, 6 August 2007
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−	~~=== Calculating Sample Size with Known Power e.===~~

@@ Line 16: / Line 16: @@
 There are three things you can do with the SOCR Normal Power Analysis Activity:
-=== Calculating Power with Known Sample Size.===
 === Calculating Sample Size with Known Power e.===

← Older revision		Revision as of 06:52, 6 August 2007
Line 19:		Line 19:

	=== Calculating Sample Size with Known Power e.===		=== Calculating Sample Size with Known Power e.===
−
−	~~=== Calculating critical point.===~~
−
−	~~After the SOCR Analysis Applet is opened, click on the Normal Distribution Power.~~
−
−	~~[[Image:SOCR_AnalysisActivities_NormalPower_Chu_051707_Fig1.jpg\|600px]]~~
−
−
−	~~Then click on the SELECT PARAMETER button to input parameters. Make sure the option "Get Critical Point" is CHECKED.~~
−
−	~~[[Image:SOCR_AnalysisActivities_NormalPower_Chu_051707_Fig2.jpg\|600px]]~~
−
−
−	~~After inputing all the parameters, click on the COMPUTER button to see the results.~~
−
−	~~[[Image:SOCR_AnalysisActivities_NormalPower_Chu_051707_Fig3.jpg\|600px]]~~
−