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Visual stats: One sample T test compares variance of sampled values
Introduction
->> Visual Stats
->> Main Interface
   
Quick Start Tutorial
->> Functions
->> Operations
->> Parameters
->> Syntax
->> Priority Of Operations And Functions
   
Menus & Toolbar
->> File Menu
->> Edit Menu
->> Format Menu
->> Setting Menu
->> Stats Menu
->> Help Menu
->> Standard Toolbar
   
Stats
->> Probability
->> Descriptive Statistics Summary
->> Frequency Analysis
   
Compare Means
->> One Sample T Test
->> Independent-Samples T Test
->> Paired-Samples T Test
   
Compare Variables
->> One Sample
->> Two Samples
   
Variance Analysis
->> One-Way ANOVA
->> Two-Way ANOVA
   
Regression
->> Univariate Linear Regression
->> Multivariate Linear Regression
->> Curve Fitting
->> Nonlinear Curve Fitting
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One Sample T Test

The Main Steps Of Operation:

To compare variance of the sampled values to a given value, following these steps:

  1. Input your data in Data Editor.
  2. Select Stats -> Hypothesis Tests -> Compare Variances -> One Sample... from the menus.
  3. Select variables in Compare Variances: One Sample dialogbox, input test value in Test field, input confidence value in Confidence field, and click OK button.

Outputs:

Outputs include Test value, df(degree of freedom), chi-square(chi-square value) and sig(significance of chi-square). If the value of sig is lower to significance level, then null hypothesis is rejected.

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