Manuals/calci/CONFIDENCE - Revision history

Devika at 21:20, 7 August 2018

2018-08-07T21:20:53Z

Devika: /* Description */

2018-06-05T20:17:22Z

Description

Devika: /* Description */

2018-06-05T20:16:47Z

Description

Devika at 20:15, 5 June 2018

2018-06-05T20:15:44Z

Jayaram at 05:59, 13 March 2017

2017-03-13T05:59:13Z

Jayaram at 11:00, 9 March 2017

2017-03-09T11:00:24Z

Swapna at 20:07, 30 June 2015

2015-06-30T20:07:11Z

Devika: /* ZOS */

2015-06-04T18:12:41Z

ZOS

Devika at 18:11, 4 June 2015

2015-06-04T18:11:01Z

Devika: /* References */

2015-05-08T16:48:45Z

References

← Older revision		Revision as of 21:20, 7 August 2018
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	*<math>StandardDeviation</math> is the value of the standard deviation.		*<math>StandardDeviation</math> is the value of the standard deviation.
	*<math>Size</math> is the size of the sample.		*<math>Size</math> is the size of the sample.
		+	**CONFIDENCE(), returns the confidence interval for a population mean.

@@ Line 16: / Line 16: @@
 *Normally once standard error value is calculated, the confidence interval is determined by multiplying the standard error by a constant that reflects the level of significance desired, based on the normal distribution.
 *In <math>CONFIDENCE (Alpha,StandardDeviation,Size)</math> , <math>Alpha</math> is the alpha value which is indicating the significance level used to find the value of the confidence level.
-*It equals <math>100*(1-alpha)%</math>, or alpha of 0.05 indicates a 95 percent confidence level.
+*It equals <math>100*(1-Alpha)%</math>, or alpha of 0.05 indicates a 95 percent confidence level.
 *This value is <math> \pm </math> 1.96
 *<math> StandardDeviation </math> is the standard deviation of the population for the data range.

@@ Line 15: / Line 15: @@
 . Specify the confidence interval.
 *Normally once standard error value is calculated, the confidence interval is determined by multiplying the standard error by a constant that reflects the level of significance desired, based on the normal distribution.
-*In <math>CONFIDENCE(a,sd,s)</math> , <math>a</math> is the alpha value which is indicating the significance level used to find the value of the confidence level.
+*In <math>CONFIDENCE (Alpha,StandardDeviation,Size)</math> , <math>Alpha</math> is the alpha value which is indicating the significance level used to find the value of the confidence level.
 *It equals <math>100*(1-alpha)%</math>, or alpha of 0.05 indicates a 95 percent confidence level.
 *This value is <math> \pm </math> 1.96
@@ Line 30: / Line 30: @@
 *Suppose with the population of 10 for the standard deviation 3.2, with the alpha value 0.2 then, CONFIDENCE(0.2,3.2,10) =1.296839.
 *So the Confidence interval value is <math> 10\pm 1.296839= approximately[11.29,8.70]</math>.
 ==ZOS==

@@ Line 1: / Line 1: @@
-<div style="font-size:30px">'''CONFIDENCE(a,sd,s)'''</div><br/>
+<div style="font-size:30px">'''CONFIDENCE (Alpha,StandardDeviation,Size)'''</div><br/>
-*<math>a</math>  is alpha value which is indicating the significance level.
+*<math>Alpha</math>  is alpha value which is indicating the significance level.
-*<math>sd</math> is the standard deviation.
+*<math>StandardDeviation</math> is the value of the standard deviation.
-*<math>s</math> is the size of the sample.
+*<math>Size</math> is the size of the sample.
@@ Line 18: / Line 18: @@
 *It equals <math>100*(1-alpha)%</math>, or alpha of 0.05 indicates a 95 percent confidence level.
 *This value is <math> \pm </math> 1.96
-*<math> sd </math> is the standard deviation of the population for the data range.
+*<math> StandardDeviation </math> is the standard deviation of the population for the data range.
-*<math> s </math> is the size of the sample.
+*<math> Size </math> is the size of the sample.
 *Confidence interval is calculated using the following formula:
       <math>Confidence interval = sample statistic + Margin of error</math>.
@@ Line 26: / Line 26: @@
 *This function will give the result as error when
 . Any one of the argument is nonnumeric.
-.Suppose <math>0\le alpha\le1 </math>
+.Suppose <math>0\le Alpha\le1 </math>
 . value of s is less than 1.
 *Suppose with the population of 10 for the standard deviation 3.2, with the alpha value 0.2 then, CONFIDENCE(0.2,3.2,10) =1.296839.
@@ Line 35: / Line 35: @@
 *The syntax is to calculate CONFIDENCE in ZOS is <math>CONFIDENCE (Alpha,StandardDeviation,Size)</math>.
-**<math>alpha</math>  is  value of the significance level.
+**<math>Alpha</math>  is  value of the significance level.
-*<math>size</math> is the size of the sample.
+*<math>Size</math> is the size of the sample.
 *For e.g., CONFIDENCE(0.2,3.1,20)
 *CONFIDENCE(0.67,8.3..10.3,51)

← Older revision		Revision as of 05:59, 13 March 2017
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−	[[Z_API_Functions \| List of Main Z Functions]]	+	*[[Z_API_Functions \| List of Main Z Functions]]

−	[[ Z3 \| Z3 home ]]	+	*[[ Z3 \| Z3 home ]]

← Older revision		Revision as of 11:00, 9 March 2017
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	==References==		==References==
	[http://en.wikipedia.org/wiki/Confidence_interval CONFIDENCE]		[http://en.wikipedia.org/wiki/Confidence_interval CONFIDENCE]
		+
		+
		+	[[Z_API_Functions \| List of Main Z Functions]]
		+
		+	[[ Z3 \| Z3 home ]]

← Older revision		Revision as of 20:07, 30 June 2015
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	#=CONFIDENCE(0.001,18.8,50) = 8.74859415		#=CONFIDENCE(0.001,18.8,50) = 8.74859415

		+
		+	==Related Videos==
		+
		+	{{#ev:youtube\|siqx4PbqJ6s\|280\|center\|CONFIDENCE}}

	==See Also==		==See Also==

← Older revision		Revision as of 16:48, 8 May 2015
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	==References==		==References==
		+	[http://en.wikipedia.org/wiki/Confidence_interval CONFIDENCE]