Author Topic: unofficial MS for S3 and M3 plzzzzzzz  (Read 1197 times)

Offline haziq91

  • Newbie
  • *
  • Posts: 40
  • Reputation: 23187
unofficial MS for S3 and M3 plzzzzzzz
« on: June 20, 2010, 08:07:14 am »
Anyone who have it plzzzzz  post it here

Offline Saladin

  • The Samurai
  • Honorary Member
  • SF V.I.P
  • *****
  • Posts: 6530
  • Reputation: 59719
  • Gender: Male
  • I believe in those who believe in me
    • Student Tech
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #1 on: June 20, 2010, 09:36:54 am »
Anyone who have it plzzzzz  post it here

You too all 3 statistics Units? O.o

Offline haziq91

  • Newbie
  • *
  • Posts: 40
  • Reputation: 23187
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #2 on: June 21, 2010, 02:52:38 am »
yup....   I'm taking double maths.....   

Offline T.Q

  • SF Master
  • ******
  • Posts: 1557
  • Reputation: 5081
  • Gender: Male
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #3 on: June 21, 2010, 09:42:30 am »
for S3

NOTE : SOME ANSWERS MAY BE WRONG

1. Test statistic = 2 > 1.6449 reject Ho (7 marks)
2. (a) 0.4129 (4 marks)
(b) 0.0455 (5 marks) using 60Var(X)
3. (a) 0.7698 (2 marks)
(b) 0.9836 (4 marks)
(c) (35.31, 35.89) (4 marks)
4. (a) 6/7 (6 marks)
(b) 6/7< 0.8929 accept Ho, no correlation(4 marks)
5. Test statistic = 3.5534 < 5.991 accept Ho, independent (10 marks)
6. Test statistic = 2.7456 < 11.070 accept Ho, could be modelled (12 marks)
7. (a) take 120 full-time and 80 part-time (3 marks)
(b) (1 mark)
(c) test statistic = 2.828 > 2.5758 reject Ho (7 marks)
(d) normality (2 marks)
(e) s=sigma (1 mark)
(f) 2.53> 2.5758 accept Ho (2 marks)
(g) difference is eliminated(1 mark)
No Matter What Happens In Life , Just Don't Lose Hope :)

Offline T.Q

  • SF Master
  • ******
  • Posts: 1557
  • Reputation: 5081
  • Gender: Male
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #4 on: June 21, 2010, 09:51:45 am »
FOR M3

NOTE : SOME ANSWERS MAY BE WRONG




1a)T=13mg/12
b) v= 5/6 root 3gl

2a)proof
b) U= root gR/8

3) lamda = 12.7008 N

4a) centre of mass is 53r/17 from 0
b) theta = 34.76 degrees

5a) v^2 = ag (5-2sintheta)
b) T= mg (5 - 3sintheta)
c) T > 0 as limits of sin theta was -1 and 1
d) root 7ag

6a) Proof
b) 1.30m

7a) 4a
b) Proof
c) 1/4 root ag
d) 19a/128
No Matter What Happens In Life , Just Don't Lose Hope :)

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #5 on: June 21, 2010, 10:28:24 am »
Thanks

Offline park

  • Newbie
  • *
  • Posts: 30
  • Reputation: 52
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #6 on: June 21, 2010, 02:23:57 pm »
thanks so much. do you have the question paper? i forgot what i wrote

Offline T.Q

  • SF Master
  • ******
  • Posts: 1557
  • Reputation: 5081
  • Gender: Male
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #7 on: June 21, 2010, 04:17:38 pm »
thanks so much. do you have the question paper? i forgot what i wrote

i will upload it soon
No Matter What Happens In Life , Just Don't Lose Hope :)

Offline park

  • Newbie
  • *
  • Posts: 30
  • Reputation: 52
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #8 on: June 21, 2010, 04:24:12 pm »
thank u

Offline park

  • Newbie
  • *
  • Posts: 30
  • Reputation: 52
Re: unofficial MS for S3 and M3 plzzzzzzz
« Reply #9 on: June 22, 2010, 04:36:36 pm »
i just got hold of the question paper and did the questions again to check with your answers. thanks