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gal · 11-03-2005, 03:53 PM

Thanks all. The numbers are cycles to failure for two different batches of material, and the independend variable is the load level which is the same for all the outcomes here. The error is usually assumed to follow a normal distribution, but in this case I don't think I can say anything about the pdf. That's why I was looking into signed rank tests, but in this case I guess the sample size is too small to make any inferences.

11-03-2005, 03:53 PM	#9 (permalink)
gal Insane	Thanks all. The numbers are cycles to failure for two different batches of material, and the independend variable is the load level which is the same for all the outcomes here. The error is usually assumed to follow a normal distribution, but in this case I don't think I can say anything about the pdf. That's why I was looking into signed rank tests, but in this case I guess the sample size is too small to make any inferences.