Re: t test - help interpreting it
Posted in 2004
Young Engineer said: > Hi all, > > Actually I am confusig myself in doing this . I have two sets of data > as follows: > > > (A) > 1 64.125 > 2 62.061 > 3 86.084 > 4 56.109 > 5 72.141 > 6 78.076 > 7 84.082 > > > Mean 96.152 > > SD 37.729 > > > (B) > > 1 48.094 > 2 44.043 > 3 86.084 > 4 56.109 > 5 48.094 > 6 50.049 > 7 78.076 > > > Mean 88.189 > > SD 30.559 > > > > (C) > > 1 16.031 > 2 18.018 > 3 0 > 4 0 > 5 24.047 > 6 28.027 > 7 6.006 > > > Mean 13.16128571 > > SD 11.32069026 > > > A & B is the actual set of data with their Mean and standard > deviation. > And C = A - B. I am interested to find in the significance of > difference between A & B. So in a way if I can find that wheather C is > same as !!. I did t test in that regard (on C). found some result as > > The t-value for this difference 3.076 > p-value= 0.98911; (1-p=0.01088) > > After this I am confusing interpreting (rejection of null hypothesis). > > Kindly help!! > > I hope I have explained the problem clearly enough!! Any help in this > regard will be of great value. Have you tried ... UPDATE STATISTICS? (Boom! Boom!) -- Bye now, Obnoxio "C'est pas parce qu'on n'a rien ' dire qu'il faut fermer sa gueule" - Coluche "I'm trying to see things your way, but I can't get my head up my ass" - JCH "Ogni uomo mi guarda come se fossi una testa di cazzo" - Marco http://www.catb.org/~esr/faqs/smart-questions.html sending to informix-list