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Statistics Psycho Exams

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26 Re: Statistics Psycho Exams on Tue Jun 08, 2010 10:00 pm

thank's a lot. Very Happy

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27 Re: Statistics Psycho Exams on Tue Jun 08, 2010 10:03 pm

batiteo

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for those people that are really bored to read from the book i am a 100% sure that they can read from the slides in claroline or from the sites that arman and i uploaded in the forum the last days, and cover all the necessary material for gaining a good mark!!!


study study study study study study

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28 Re: Statistics Psycho Exams on Wed Jun 09, 2010 12:14 am

I just finished with reading and i want to make some practice, where can i find past papers for statisticsII?

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29 Re: Statistics Psycho Exams on Wed Jun 09, 2010 12:19 am

i think they have them in curoline, the link is : http://claroline.city.academic.gr/claroline/document/document.php?cmd=exChDir&file=%2FStatistics_II

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30 Re: Statistics Psycho Exams on Wed Jun 09, 2010 12:47 am

Konstantina u wrote "curoline" instead of claroline and this in romanian means "ass-line" Laughing

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31 CUROLINE on Wed Jun 09, 2010 12:48 am

LOOOOOOOOOOOOOL Very Happy in bulgarian CUR means dick Very Happy hahahahahahahaha konstadina please stop writing filthy things in this clean forum ROFL :DDDD

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32 Re: Statistics Psycho Exams on Wed Jun 09, 2010 12:56 am

HAHAHAHAHAHAHHAHAHAH OMG and 3 lols!!! it's not my fault guys if your languages have nusty words ok?????? hahahahahahahahahah

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33 Re: Statistics Psycho Exams on Wed Jun 09, 2010 12:57 am

hey guys, me and arman want to clarify something. when the f obtain is bigger than f critical then there is a signifance right?

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34 Explaning the Fs on Wed Jun 09, 2010 12:58 am

If Fobt is bigger than the Fcrit value THERE IS a statistically significant difference.

http://www.isixsigma.com/index.php?option=com_k2&view=item&id=1323:how-to-compare-data-sets-anova&Itemid=196&tmpl=component&print=1

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35 Re: Statistics Psycho Exams on Wed Jun 09, 2010 1:01 am

so hypothesis is confirmed? and null hypothesis rejected?? and all these only if Fobt is bigger than Fcrit?? and what if he doesn't give us the Fcrit??

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36 Re: Statistics Psycho Exams on Wed Jun 09, 2010 1:19 am

So we reject a null hypothesis and accept the alternate if F obtain is > than F critical .The F is always given in a one or two way ANOVA but if there is no F you can see it from the p-value that it is significant at 0,05 . This means if its lower than 0,05 it is significant.

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37 Re: Statistics Psycho Exams on Wed Jun 09, 2010 1:22 am

so for the p value it's the opposite. really thanks!!

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38 Re: Statistics Psycho Exams on Wed Jun 09, 2010 2:22 am

batiteo

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Ilias Tasiopoulos wrote:I just finished with reading and i want to make some practice, where can i find past papers for statisticsII?

u can always use the review questions from the book. Very Happy

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39 Re: Statistics Psycho Exams on Wed Jun 09, 2010 2:46 am

batiteo

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Ilias Tasiopoulos wrote:I just finished with reading and i want to make some practice, where can i find past papers for statisticsII?


try

http://www.public.iastate.edu/~dnett/S401/exams.shtml

http://isites.harvard.edu/icb/icb.do?keyword=k40570&pageid=icb.page190811

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40 Re: Statistics Psycho Exams on Wed Jun 09, 2010 5:02 am

batiteo

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Oana wrote:[b]1. For One way ANOVA we will have:
a) state the null and alternate hypotheses
b) Does A play a significant role on B? Explain why?



sunny

what is A and what is B???
the μs??

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41 null and alt on Wed Jun 09, 2010 5:13 am

the null states that all μs are equal and alternative staes that thei are different. so we use post hoc do find WHICH μs differ.

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42 Re: Statistics Psycho Exams on Wed Jun 09, 2010 5:25 am

Teo, actually the A and B factors are the variables...let's say that you have volume and gender inside the table..it's like A and B Smile

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43 ... on Wed Jun 09, 2010 5:27 am

no he was asking about what a) and b) questions are not the variables

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44 Re: Statistics Psycho Exams on Wed Jun 09, 2010 5:29 am

batiteo

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no i was asking about the A and B factors.

thanx both of you!!

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45 Re: Statistics Psycho Exams on Wed Jun 09, 2010 5:32 am

Guys, do you know what will be the subject regarding power analysis? is it theoretical question or we have the interpret the results?

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46 power on Wed Jun 09, 2010 5:33 am

for PA he said it will be only theory

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47 Re: Statistics Psycho Exams on Wed Jun 09, 2010 5:34 am

batiteo

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only theory as people told me...

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48 Re: Statistics Psycho Exams on Wed Jun 09, 2010 6:35 am

batiteo

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Oana wrote:
3.For the Linear Regression
a)state null and alternate hypotheses.
b)R square value- the significance of the regression
c) the value of the constant and the slope.



what do u mean with c?
the value of the constant???

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49 Re: Statistics Psycho Exams on Wed Jun 09, 2010 7:14 am

she means intercept. it is a constant value but you don't need to know that.

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50 Re: Statistics Psycho Exams on Wed Jun 09, 2010 7:15 am

batiteo

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ok thanx

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