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    (Original post by Tarlius)
    Also please answer guys, and please don't take the piss because I find biology so hard, I'll be dropping it and keep maths physics and art but I just cant stand it so.. I think on the first paper I may have gotten around 30 marks give or take 2, and about 40 give or take two on this one? Is that worthy of just any grade asides a U do you think?


    Many thanks
    Personally, I don't think that would be a U because that would roughly be 50%. Maybe at least an E or something, maybe higher.






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    (Original post by Tarlius)
    Also please answer guys, and please don't take the piss because I find biology so hard, I'll be dropping it and keep maths physics and art but I just cant stand it so.. I think on the first paper I may have gotten around 30 marks give or take 2, and about 40 give or take two on this one? Is that worthy of just any grade asides a U do you think?


    Many thanks
    D/E
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    Guys. For the question where you had to name the process where they become resistant - i put speciation instead of natural selection. Do you think this would still get the mark?????
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    (Original post by Cherx)
    This depth paper was weird. How do you think the Chem depth paper would be? Tbh I don't know how to revise for that now.
    After seeing this paper, Chemistry worries me a bit. I am expecting high marks on electrophilic addition, nucleophilic addition and free-radical substitiution. In addition, more questions about the intermolecular forces and covalent, ionic bonding properties. Average bond enthalpy or Hess'Law may reappear again. Definitelt oxidising alcohol will come up and alkanes/alkenes or stereoisomers etc.
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    (Original post by sen99)
    For the T-test, I put 7 as the degrees of freedom because I thought that since there are two groups of data it would be an unpaired t-test so the d.o.f would be (n1-n2)-1 therefore (4+4)-1=7. Is this right?
    Dang it, everyone's getting like different numbers than me.

    I'm not sure if it's right but I got 6 because, in my book, it said (N1-1)+(N2-1)=degrees of freedom so I got 6


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    (Original post by Tarlius)
    Also please answer guys, and please don't take the piss because I find biology so hard, I'll be dropping it and keep maths physics and art but I just cant stand it so.. I think on the first paper I may have gotten around 30 marks give or take 2, and about 40 give or take two on this one? Is that worthy of just any grade asides a U do you think?


    Many thanks
    D for definite in my opinion, or even a C.
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    (Original post by Tarlius;[url="tel:65539627")
    65539627[/url]]Also please answer guys, and please don't take the piss because I find biology so hard, I'll be dropping it and keep maths physics and art but I just cant stand it so.. I think on the first paper I may have gotten around 30 marks give or take 2, and about 40 give or take two on this one? Is that worthy of just any grade asides a U do you think?


    Many thanks
    If an A is 63% like last year then mostly you'll be on the B/C boundary depending if it's 10% difference between each grade like normal
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    (Original post by oni176)
    After seeing this paper, Chemistry worries me a bit. I am expecting high marks on electrophilic addition, nucleophilic addition and free-radical substitiution. In addition, more questions about the intermolecular forces and covalent, ionic bonding properties. Average bond enthalpy or Hess'Law may reappear again. Definitelt oxidising alcohol will come up and alkanes/alkenes or stereoisomers etc.
    So they would be less likely to have application questions? Urgh so worrying. But thank you for the predications!
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    (Original post by Firenze26)
    Dang it, everyone's getting like different numbers than me.

    I'm not sure if it's right but I got 6 because, in my book, it said (N1-1)+(N2-1)=degrees of freedom so I got 6


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    (Original post by sen99)
    For the T-test, I put 7 as the degrees of freedom because I thought that since there are two groups of data it would be an unpaired t-test so the d.o.f would be (n1-n2)-1 therefore (4+4)-1=7. Is this right?

    That's for t-test, this wasn't t-test. Also the question told you what you had to do to get the degrees of freedom. It said DoF=number of categories -1. so it was 4-1=3
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    (Original post by Cherx)
    So they would be less likely to have application questions? Urgh so worrying. But thank you for the predications!
    Biology involves application questions but Chemistry is purely on knowledge. Oxidation of alcohol is an example of practical with reflux and distillation process. They might put synthesis thing + titration as examples of practical along with it.
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    (Original post by Tarlius)
    Also please answer guys, and please don't take the piss because I find biology so hard, I'll be dropping it and keep maths physics and art but I just cant stand it so.. I think on the first paper I may have gotten around 30 marks give or take 2, and about 40 give or take two on this one? Is that worthy of just any grade asides a U do you think?


    Many thanks
    has to be a D as a D is 50%. a C is usually around 60% but judging that this is a new spec a C will be 50 something% so 70/140 would be a D. as long as your mark overall is 70 something you are safe
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    (Original post by oni176)
    Biology involves application questions but Chemistry is purely on knowledge. Oxidation of alcohol is an example of practical with reflux and distillation process. They might put synthesis thing + titration as examples of practical along with it.
    Ah okay. I'm gonna try to do a couple of F322 papers tonight. There's the stuff about green house, carbon storatge/capture and catalytic converter in the 2009 paper. Is that all in the old spec? I felt that the past papers for bio were pretty useless for our spec so many stuff was not in our spec.
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    (Original post by Cherx)
    Ah okay. I'm gonna try to do a couple of F322 papers tonight. There's the stuff about green house, carbon storatge/capture and catalytic converter in the 2009 paper. Is that all in the old spec? I felt that the past papers for bio were pretty useless for our spec so many stuff was not in our spec.
    Some info about the carbon cycle we don't need to know other than knowing the radical for ozone layer and chlorofluorocarbons as well as the protocol.
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    (Original post by oni176)
    Some info about the carbon cycle we don't need to know other than knowing the radical for ozone layer and chlorofluorocarbons as well as the protocol.
    I was planning on memorising the set answers but I guess that's just wasting my time if it's unlikely to be in the paper. For example this question 'Outline the stages that take place in a catalytic converter to allow CO to react with NO'

    One of the points was 'weakening of bonds OR lowers activation energy' there was something in infrared radition about absorbing atmoshpheric gases does that link to this question?
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    (Original post by Firenze26)
    Dang it, everyone's getting like different numbers than me.

    I'm not sure if it's right but I got 6 because, in my book, it said (N1-1)+(N2-1)=degrees of freedom so I got 6

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    Bro,I know exactly where you're coming from and I did the same thing in the exam using the exact same justification. Afterwards however, my friend kicked some sense into me- there were 4 categories/data sets (Prophase, anaphase, metaphase and telophase) unlike the 2 data sets used in the example in the text book. So in this situation, I think it should be something like (N1-1)+(N2-1)+(N3-1)+(N4-1). This is the same as 4(2-1) which is equal to 4. So tbh, as far as I understand, there were only 4 degrees of freedom in the exam so I got that question wrong.

    Either way,I talked with my teacher and she said that so long as I compare my value at 0.05 significance level, I should end up with at least 1 mark. Well, hopefully it works that way .Imo, this exam was pretty difficult and considering not every school is taking these AS breadth and depth exams (because they intend to just do the real A2's), I don't mind so long as I get a B (or above) overall so that I can have strong ground to beg my biology teacher to predict me an A for A2.Dw guys, it's time to make like a student and pray for low grade boundaries :crossedf::crossedf:
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    Forget that . I'm hoping that I could at least scrape a D or maybe even an E :lol:
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    (Original post by wojiaoshakira)
    has to be a D as a D is 50%. a C is usually around 60% but judging that this is a new spec a C will be 50 something% so 70/140 would be a D. as long as your mark overall is 70 something you are safe
    on the old spec it was like 70% for an A so might be even a tad bit lower
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    http://www.thestudentroom.co.uk/show...755&highlight=

    Grade boundaries (predicted) are on my thread.
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    how are you able to predict them, how accurate is this?
    (Original post by nwmyname)
    http://www.thestudentroom.co.uk/show...755&highlight=

    Grade boundaries (predicted) are on my thread.
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    what did you guys put for the question where it asks for two modifications for the experiment. I put calculate mean to help identify anomalies, and I also put carry out the experiment between 30 -40% to get a more accurate representation of the optimum temperature. Not sure if it is right though.
 
 
 
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