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  1. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    bogus: I have a few mathematical formulas which u can use for checking ur answers of quartiles, median and percentiles. You can get accurate values by them. Here they are: 1st quartile: l + h/f [(n/4) - C] 3rd quartile: l + h/f [(3n/4) - C] Median: l + h/f [(n/2) - C] Percentile: l + h/f...
  2. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    No it's not.
  3. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Of course it does. The frequencies always start from zero. That's obvious.
  4. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    OMG......I completely overlooked you Paragraph above. Thnx a lot.
  5. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    No I did not know it. If you wouldn't have told about that completing square, I would have been beating ma head by now. Thnx for you considerate attitude!:)
  6. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    In this question, after completing square, we get 2(x-1.5)^2+0.5. Thus, h=1.5 and k=1/2. This means that for this domain, the least value for y is 1/2 and it occurs when value of x is 1.5 As the graph has a minimum point, the domain would be restricted bcz otherwise the graph would never end Now...
  7. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Yup......I've just started on my own from Quadratic functions. Doing past papers of this topic. Em also in search of a teacher.....I hope it can be covered in 7-8 months.
  8. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Can u explain how is this completing square related to range and domain???????
  9. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Is the domain a possible set of x-values and range of y-values?
  10. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Ok then....thnx for helping.:)
  11. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    June 96. Oh man.....from where did this completing square come from? I don't think that it's relevant here.
  12. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    No, it's 0.5 se 13.:( I also did the way u did.
  13. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Q. The function f : x---> 2x^2-6x+5, for the domain 1<=x<=4. Find the range of f.
  14. Haris Bin Zahid

    procedure of giving olevels papers privately ?

    Go to F-7 Markaz Standard Chartered Bank (As you live in Islamabad) immediately after 13th August. Get the form, fill it and submit it. That's it!;)
  15. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    The Histogram is needed for solving the question. Too easy.
  16. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Ok sorry.....by the way I solved it. You're right it cannot be done without the aid of a diagram!
  17. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    No....you'll have to calculate frequency density.
  18. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    LoL dude....this is Add. Maths, not simple maths!:p
  19. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Paper 1. Question 10. You mean that u can't help bcz u don't know?
  20. Haris Bin Zahid

    Maths, Addmaths and Statistics: Post your doubts here!

    Nah, it's 40 by 45 m.
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