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Examples
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The t-value for the trend coefficient is only 1.24, which is not 95% significant even for i.i.d. and there is lots of autocorrelation here.
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Both showed positive correlations, one with a t-value of 2.3, one with a t-value of 1.5.
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So, if we drew a sample of 101 people and wanted to be 99% sure that our confidence interval included Mu then we would use a t-value of 2.626.
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A t-value is a score taken from the t-distribution, which is an approximation of the normal distribution used when a smaller sample size produces non-normality.
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We used a t-value that connected the majority of haplotypes so all relationships could be examined in one network, and for clarity.
PLoS ONE Alerts: New Articles Alyssa E. Barry et al. 2009
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We would construct our confidence interval by taking x-bar and then adding, and subtracting, the value of the product of SDm and a t-value corresponding to our desired level of certainty and degrees of freedom (i.e. x-bar + (SDm) (t-value) and x-bar - (SDm) (t-value)).
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