madaochenggong

AudreyMwala Wrote:
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> if i can remember well, i think if its below 2,
> its i.e. 1.9 its negative serial correlation above
> 2 its positive serial correlation


AudreyMwala - it's the other way round. 0=perfect positive serial correlation; 4=perfect negative serial correlation and 2=no correlation. DW formula = 2(1-r)

sumz - not sure, that's the first time I have come across upper and lower bounds in relation to a DW test :-( I did practice test 1 today and crashed in the Quant item set.