Median - of Statistics

... yet that strongly convinces me to switch from means and parametric statistics to medians and non-parametric statistics, though you can certainly calculate both and compare ...

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... see for themselves how skewed the data might be. Usually, you show the median of the group as a small line amidst the vertically distributed points ... an underlying normal distribution with random error. Chi-squared and t-statistics, in particular, can be strongly biased by departures from normality. ...

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... signed rank test, but our prof is very critical on the correct summarisation of the data before we do any test, and only the correct one (mean or median,not both) So my question is: the 24 subjects are like I said divided in 4 groups, witch means the number of subjects in each group is small=> ...

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... in a few large joints, especially the knee. Attacks were usually short (median: 1 week) with much longer intervening periods of complete remission ... That should give you some idea of the type of statistics that are needed. Note the low P values. - John

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