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  1. MÁťT PŭמҚ

    Biology P5 Doubts, Guess Papers, Important Concepts and Leaks.

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_s13_qp_51.pdf how to do question 2 (c) ii & part (b)? :confused:
  2. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    t-test is not discrete!
  3. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    t-test is used bcoz data is continuous and chi-sq bcoz data is discontinuous!
  4. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    do the cross for the data given in cross 1 and then find out the ratio of offspring and then multiply it with the total observed number! cross 1 without tail x without tail will give 3 without tail offspring and 1 with tail so the ratio of offspring is 3:1 and now for offspring with tail 1/4...
  5. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    thnkx! but for the first question thy dint mention any number of samples!! and i have problem in confidence interval!
  6. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    its the ratio given for the length of cells before and after immersion in sucrose solutions!
  7. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    As the sucrose conc increases the cell losses water and become less turgid means cell becomes more plasmolysed and the cell become more negative as the water potential decreases inside the cell!
  8. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    where do i get the expected results from?
  9. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    oct nov 2008 [question 2 b (iv)] paper 5!!!!
  10. MÁťT PŭמҚ

    *Biology Paper 5 tips*

    oct nov 2009 paper 52 q2 b
  11. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    how do i calculate degrees of freedom with only the t-value given?:cautious::confused::confused: paper 5 m/j 2009 q3 b (iv)
  12. MÁťT PŭמҚ

    *Biology Paper 5 tips*

    mayjune 2010 paper 52 question1 (c) i how to do this? :confused:
  13. MÁťT PŭמҚ

    Mathematics: Post your doubts here!

    thank u soo much am still a bit confuse in part a :/
  14. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    does anyone knw how to calculate standard deviation in paper 5? :/
  15. MÁťT PŭמҚ

    Mathematics: Post your doubts here!

    1 mayjune 2012 p2 question 14 and 15
  16. MÁťT PŭמҚ

    Mathematics: Post your doubts here!

    can anyone tell me how to do this question? mayjune 2012 p21 question 9 (a) & (b)
  17. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    Thnkx :):)
  18. MÁťT PŭמҚ

    A level Biology: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w13_qp_53.pdf o/n 2013 paper 5 3 question 2 (a) iii how to calculate the rate? :/
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