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Author Topic: biology paper 5  (Read 10696 times)

Offline siddiss

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Re: biology paper 5
« Reply #45 on: June 05, 2009, 11:51:42 am »
cud any gv me topics on biology p5 plsssssssssssss
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Offline demonrc

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Re: biology paper 5
« Reply #46 on: June 05, 2009, 01:18:44 pm »
paprs wr easy.....ntn to wry abt....
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Offline iz

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Re: biology paper 5
« Reply #47 on: June 05, 2009, 05:44:00 pm »
i gave it and even though everyones was awesum might  didnt go tht well
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Offline iz

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Re: biology paper 5
« Reply #48 on: June 05, 2009, 05:44:20 pm »
mine*
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Offline plasmatissue

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Re: biology paper 5
« Reply #49 on: June 05, 2009, 06:17:39 pm »
Quote from: demonrc on June 05, 2009, 01:18:44 pm
paprs wr easy.....ntn to wry abt....

wat was the degree of freedom..? and the low standard deviation values show more accuracy right?
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Offline plasmatissue

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Re: biology paper 5
« Reply #50 on: June 06, 2009, 12:05:56 am »
Quote from: plasmatissue on June 05, 2009, 06:17:39 pm
Quote from: demonrc on June 05, 2009, 01:18:44 pm
paprs wr easy.....ntn to wry abt....

wat was the degree of freedom..? and the low standard deviation values show more accuracy right?

i repeat- *read the abv quote ppl* :P
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Offline demonrc

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Re: biology paper 5
« Reply #51 on: June 06, 2009, 04:37:30 am »
38 was the degree of freedom...!! ;)
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Offline iz

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Re: biology paper 5
« Reply #52 on: June 06, 2009, 09:46:47 am »
yeh but me n my stupidness is never gna end...i wrote 19
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Offline Eye

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Re: biology paper 5
« Reply #53 on: June 06, 2009, 10:34:06 am »
38 degrees of freedom?? ....what?
Are you talking about the pH question?
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Offline plasmatissue

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Re: biology paper 5
« Reply #54 on: June 06, 2009, 12:20:35 pm »
Quote from: demonrc on June 06, 2009, 04:37:30 am
38 was the degree of freedom...!! ;)

38?! i wrote 1! whered you get 38 from?! or 19?...theres only two ph being considered...!
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Offline narnia

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Re: biology paper 5
« Reply #55 on: June 06, 2009, 02:25:50 pm »
Quote from: plasmatissue on June 06, 2009, 12:20:35 pm
Quote from: demonrc on June 06, 2009, 04:37:30 am
38 was the degree of freedom...!! ;)

38?! i wrote 1! whered you get 38 from?! or 19?...theres only two ph being considered...!

it wz sed in d ques......readings ver taken at HOURLY intervals for 20 HRZ!!! dt mnz 40 readings ver taken
bt i wrote 39  ???
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Offline bottlerockets

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Re: biology paper 5
« Reply #56 on: June 06, 2009, 02:37:48 pm »
The degree of freedom was one!!
Two pH values were tested, so 2-1=1!!!!

RIGHT?!  :o :'(
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Offline naffy

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Re: biology paper 5
« Reply #57 on: June 06, 2009, 03:26:28 pm »
degree of freedom for t test is (n-1)+(n-1) right? with n=no of data for 1 ph. so the ans is 38.
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Offline plasmatissue

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Re: biology paper 5
« Reply #58 on: June 06, 2009, 06:57:31 pm »
Quote from: Z on June 06, 2009, 02:25:50 pm
Quote from: plasmatissue on June 06, 2009, 12:20:35 pm
Quote from: demonrc on June 06, 2009, 04:37:30 am
38 was the degree of freedom...!! ;)

38?! i wrote 1! whered you get 38 from?! or 19?...theres only two ph being considered...!

it wz sed in d ques......readings ver taken at HOURLY intervals for 20 HRZ!!! dt mnz 40 readings ver taken
bt i wrote 39  ???

wait a minute. didnt the Q. say 20 hour interval but not for how long???
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Offline plasmatissue

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Re: biology paper 5
« Reply #59 on: June 06, 2009, 06:58:51 pm »
Quote from: naffy on June 06, 2009, 03:26:28 pm
degree of freedom for t test is (n-1)+(n-1) right? with n=no of data for 1 ph. so the ans is 38.

wat wat?!!  ???

ok, this is sad...  :-\
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