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> Sorry, with reference to my previous e-mail, the problem is below, it > didn't work before. > > <<...OLE_Obj...>> > > Regards > Louise > -----Original Message----- From: A UK-based worldwide e-mail broadcast system mailing list [mailto:[log in to unmask]]On Behalf Of Louise Swainston Sent: 23 November 2004 13:23 To: [log in to unmask] Subject: Query: Stats Calculation Hi, Just a quick question and one which I'm sure I'm just being thick not being able to do but I have come across a problem in my notes for a Msc course I am doing shown below and I don't understand the Maths behind how one step moves to the next. I know there's probably some simple rules I am forgetting. <<...OLE_Obj...>> I can understand the exponential part, where an exp term divided by an exp term becomes the top term + the bottom term but I don't understand what happens to the rest of the terms. Can anyone help and let me know what I'm missing? Regards Louise