I am confused by the labeling of the (only) graph in(adsbygoogle = window.adsbygoogle || []).push({});

http://en.wikipedia.org/wiki/Pearson's_chi-squared_test

The values on the vertical axis appear to be the values of 1-(the chi-squared cumulative probability distribution values*)

as I would expect in finding the p-values.

However, this graph is labeled the "chi-squared distribution" -- which is ambiguous enough, but when one clicks on this term under the graph, one is directed to a site where the term means the chi-squared probability. But the graph cannot be the probability density function: the values are different*, and a probability density function has probability densities on the vertical axis, not probabilities.density function

So, is this mislabeled?

(*The pdf and cdf graphs were taken from http://en.wikipedia.org/wiki/Chi-squared_distribution#Probability_density_function, and individual values, for more precision, from http://www.danielsoper.com/statcalc3/calc.aspx?id=11)

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# 1-cdf value vs chi-squared statistic mislabeled on site?

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