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Inferential statistics

Used to see if your results are significant or if they are due to chance. It looks at
the size of the sample and the size of the difference between the 2 groups to
estimate the likelihood that the 2 groups are really different or linked. Each

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critical value is greater than the chi value. If it is then there is a significant
difference between the 2 groups.

Mann Whitney U test

A value for U is calculated. The sample sizes of the 2 groups are needed along
with the type of hypothesis to look up the…


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