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Statistical
Consultancy
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These calculations are generally combined with probability measures when results are based on samples.
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Estimation |
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Confidence intervals |
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Standard error
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These indicate how sound is the number or proportion obtained.
They provide upper and lower limits to the estimates based on a sample. |
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Significance testing |
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t-test |
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WilcoxonMann-Witney
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ANOVA |
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Chi square
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These are used to test hypotheses that results from different samples are different, or whether the observed differences are likely to have occurred by chance. |
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