McKillup, Steve. (2006). Statistics explained: an introductory guide for life scientists (illustrated edition). Cambridge University Press. http://ezproxy.library.qmul.ac.uk/login?url=http://www.vlebooks.com/vleweb/product/openreader?id=QMUL&isbn=9780511566950&uid=^u
McKillup, Steve. (2011). Statistics explained: an Introductory guide for life scientists. Cambridge University Press.