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GEM Subject is
Mathematics -- Probability
161 - 165
Significance of the Difference Between an Observed Correlation Coefficient and a Hypothetical Value
Using the Fisher r-to-z transformation, this page will calculate a value of z that can be applied to assess the significance of the difference between r, the correlation observed within a sample of size n and rho, the...
Significance of a Correlation Coefficient
To assess the significance of any particular instance of r, enter the values of N[>6] and r into the designated cells, then click the 'Calculate' button. Application of this formula to any particular observed sample...
Estimating the Population Value of rho on the Basis of Several Observed Sample Values of r
This page will perform the procedure for up to k=12 sample values of r, with a minimum of k=2. It will also perform a chi-square test for the homogeneity of the k values of r, with df=k-1. The several values of r can be...
2x2x2 Analysis of Variance for Independent Samples
This page, created by Richard Lowry of Vassar College, will perform an analysis of variance for the situation where there are three independent variables, A, B, and C, each with two levels. The user may enter data...
One-Way Analysis of Variance for Independent or Correlated Samples
This page, created by Richard Lowry of Vassar College, will compute the one-way ANOVA for up to five samples. The design can be either for independent samples or correlated samples (repeated measures or randomized...
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