:The same number is shown in Table 2 of the paper. [[User:SJohnson|SJohnson]] 10:46, 9 March 2009 (EDT)
:The same number is shown in Table 2 of the paper. [[User:SJohnson|SJohnson]] 10:46, 9 March 2009 (EDT)
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:: SJohnson, the way you're calculating the chi-squared statistic implies that you're testing the null hypothesis of a constant mutation rate over time against an alternative hypothesis of a mutation rate which varies over time. [[User:FredFerguson|FredFerguson]] 11:02, 9 March 2009 (EDT)