51³Ô¹Ï

Dr Goshworthy ¡°may well have found the remains of a savoury sausage in the fridge¡± (The Poppletonian, 10 March), but he?is not right ¡°to use Hotelling¡¯s?T test to supplement his analysis of variance¡±. For no such test exists. However, Hotelling¡¯s T?squared is a multivariate distribution and might be of some use?here.

R. E. Rawles
Honorary research fellow in psychology
University College London

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