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  1. J

    A level Biology: Post your doubts here!

    Alert! For all ya guys out there freaking about error bars and standard error , imma make it clear once and for all ISA. You need to knoww that there is a difference between standard deviation and standard error. standard error is (standard deviation)/(root of no. of sample {root n}) when...
  2. J

    *Biology Paper 5 tips*

    Alert! For all ya guys out there freaking about error bars and standard error , imma make it clear once and for all ISA. You need to knoww that there is a difference between standard deviation and standard error. standard error is (standard deviation)/(root of no. of sample {root n}) when...
  3. J

    A level Biology: Post your doubts here!

    when im doing the 8 mark Questions ..... do i have to write like Independent variable: """""""" DEPp """"""""""""""""""""""" or just write the points directly?
  4. J

    *Biology Paper 5 tips*

    aaaa so if its standard error you ,multiply by root n ok thanks
  5. J

    *Biology Paper 5 tips*

    but if u check o/n 10 53 u see that bar chart has +- of standard deviation and not x2
  6. J

    *Biology Paper 5 tips*

    why?
  7. J

    *Biology Paper 5 tips*

    Its just written as pH buffer and it ill be accepted
  8. J

    *Biology Paper 5 tips*

    thanks but what are continous and discontinuous data PS. the z test i faced it in one of the old exams but it had another name
  9. J

    *Biology Paper 5 tips*

    guys plz tell me anything about the statistical tests like when to use each and y t-test chi squared and that z test
  10. J

    *Biology Paper 5 tips*

    can anyone help me on the 3 statistical tests thanks in advance
  11. J

    *Biology Paper 5 tips*

    and can u tell me y did that guy chose only those 10 practical exp. and not others
  12. J

    *Biology Paper 5 tips*

    now im so tired ill see tomorrow Isa and thanks for ur efforts ;)
  13. J

    *Biology Paper 5 tips*

    sometimes temp. is invo;ved but its not written in ms
  14. J

    *Biology Paper 5 tips*

    why did u choose those 10 are the others out of syllabus or what
  15. J

    *Biology Paper 5 tips*

    guys i need your help when he asks for variables in experiments when to put those like temp. and ph. and when to put those like conc. and time
  16. J

    *Biology Paper 5 tips*

    can u guys help me with the statistical tests
  17. J

    *Biology Paper 5 tips*

    when you are making measurements under microscope
  18. J

    *Biology Paper 5 tips*

    there is such a point in Marking scheme and btw what are error bar? Thanls in advance
  19. J

    *Biology Paper 5 tips*

    Thanks Alice that was really helpfull ;)
  20. J

    *Biology Paper 5 tips*

    There you go Click here to go to link (as i am a professional who can make hyperlinks, LOL ;)) BTW its Q1
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