Is there a good reason why the standard error is commonly used for
error bars instead of the 95% confidence interval, other than they are
roughly half as big, so give a visual impression of higher confidence?
Is it simply because they are independent of any particular p value?
Peter Levy
Centre for Ecology and Hydrology
Bush Estate, Penicuik
Midlothian, EH26 0QB, UK
Tel: 0131 445 8556 (direct)
0131 445 4343 (switchboard)
Fax: 0131 445 3943
E-mail: [log in to unmask]
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