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Based on your experiment, t tests make enough assumptions about your experiment to calculate an expected variability, and then they use that to determine if the ...

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This section explains how to analyze columns of numbers to compute ... Interpreting results: SD, SEM, variance and coefficient of variation (CV).

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The three tests compute the same t ratio and the same df values. They ... Pairwise Multiple Comparisons in the Unequal Variance Case. Journal of the ...

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One exception here is if the variance of the random effect in the mixed effects model is zero or negative. ... Statistical calculations can deal with two kinds of ...

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Prism offers two ways to evaluate the linear dependence of predictors in multiple logistic regression. You may evaluate multicollinearity using variance ...

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These do not have the same interpretation, in that they are not simply the proportion of variance explained by the model. ... calculate this value. Unlike ...

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The t test assumes equal variances The standard unpaired t test (but not the Welch t test) assumes that the two sets of data are sampled from populations ...

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Compute the total variance, V, as explained on page 38-40 of a handout by ... Calculate L = ln(HR). (Natural logarithm); The lower 95% confidence limit ...

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Prism can compute goodness-of-fit of Poission in four ways ... When data are sampled from the Poisson distribution, the variance equals the mean.

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... calculation of the first principal components. ... The motivation for using '1' as the cutoff is that with standardized data, the standard deviation (and variance) ...

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