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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he by figuring out d imp ov each item....either by calculatng d amount spent on each item or by d quantity ov each item ALL THE BEST EVRYBDY! WISH ME LUCK!
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he same is d case here!lol!
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he i ddnt get the part whr u explained d procedure 4 an even no ov observations..
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    Guess paper.

    doubt it....we asked sir adeel.he said he dxn hav tym.i dnt knw abt d rest.u dnt really need a guess paper.just go thru d papers of 2011 (summers),2010 n 2009 n ul get a fair idea of wt d paperx gna b abt=)
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: Stats....Q.... 4 independent events, P(A and B) = P(A) x P (B) suppose we select a woman out ov all the members of this club.if theri marital satus is independent of their age,then P(woman selected is 25-29yrs old n divorced) should equal d product ov P(she belongs 2 ds age group) n P(she...
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he i did it this way....... let 230$ b d total fee of 1 student so, 230 = 20 +30n where n represents d no of subjects.by solving this equation we get n = 7 now, increase in fee = (25-20) + 7(35-30) = 5 +...
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he when locating d median 4 GROUPED data, is median (n/2)th term or (n+1/2)th term??
  8. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he x : 299.3, 299.6, 299.9, 299.4, 299.1, 300.1, 300.6 f : 2 2 1 2 1 1 1 now,make a seperate column 4 X i.e (x-a) by subtracting 299 4m each ov these values.ul get : X : 0.3, 0.6, 0.9...
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he mean = 2.05 (correct to 3 sgf) variance =[{24(4.101) + 36(4.182) + 26(4.223) + 22(4.264) + 12(4.326)}/120] - (2.05)2 = 4.204 - 4.2025 = 0.0015 s.d = square root of 0.0015 = 0.0387 (correct to 3 sgf)
  10. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he glad i cud help :)
  11. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he salmanpakrocks:plz dnt mind d tables =)
  12. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he Jai4ever: check out page 46. dat myt help u a lil=)
  13. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he (iii)a. x(midpoint) d(i.e x-a) fd 17 I -13 I -65 22 I -8 I -64 29.5 I -0.5 I...
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he (i) class bounds c.f 14.5-19.5 5 19.5-24.5 13 24.5-34.5 26 34.5-44.5 46 44.5-54.5...
  15. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he is method of least squares in time series included in the syllabus?
  16. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he (i) modal no of eggs=check d largest value in 'no. of hens' row = 6eggs (ii) c.f = 8 20 29 36 44 50 53 median = (53+1)/2 = 27th value which,4m d c.f table,is 7 (iii) the q says that d median doesnt change i.e. it remains 7.d max value...
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he 4 stats paper this year..do v have 2 prepare anythn NOT in the pastpapers??
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he i think d answers r correct..
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    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he (i)i got the same answers..i thnk this is how u calculate u (52-u)/10 = (106-100)/12 12(52-u) = 10(6) 624-12u = 60 12u = 624-60 u = 564/12 = 47
  20. A

    Maths, Addmaths and Statistics: Post your doubts here!

    Re: O'level Maths, Addmaths and Statistics help available he nope.im giving stats..
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