Author Topic: biology paper 5  (Read 10699 times)

Offline iz

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Re: biology paper 5
« Reply #60 on: June 06, 2009, 07:16:57 pm »
i wish i knew tht

Offline narnia

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Re: biology paper 5
« Reply #61 on: June 06, 2009, 09:35:10 pm »
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???


it sed at HOURLY INTERVALS FOR 20 HOURS

Offline plasmatissue

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  • walkin on eggshells... i no, poor them :P
Re: biology paper 5
« Reply #62 on: June 06, 2009, 10:07:01 pm »
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???


it sed at HOURLY INTERVALS FOR 20 HOURS

 :o ok ok i believe you!

dont shout in bold letters man...im not THAT blind- damn thats an understatment considering the stupid mistake..ugh... :-[
CAPS LOCK RULES!

Offline demonrc

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Re: biology paper 5
« Reply #63 on: June 10, 2009, 02:28:22 am »
degrees of freedom is 38.....total 40 taken..its a t test thts caried out..not chi squared...for t test degrees of freedom is n-2