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Author Topic: O level Stats 4040  (Read 8449 times)

Offline DrEvil

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O level Stats 4040
« on: October 11, 2009, 08:27:08 am »
Can someone do the following question fr me plz:

October-November 2008--Paper 2--Question 7--Part (v)

I have attached the paper in the thread.

Plz help me urgently.
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Offline slvri

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Re: O level Stats 4040
« Reply #1 on: October 11, 2009, 03:54:41 pm »
Quote from: DrEvil on October 11, 2009, 08:27:08 am
Can someone do the following question fr me plz:

October-November 2008--Paper 2--Question 7--Part (v)

I have attached the paper in the thread.

Plz help me urgently.
hey ur givin stats 2moro rite? me too!
ok.....if 2 people live in the same house with no other people then that house must have 2 people in it. from the table the numbert of people living in a house with 2 people is 2*8=16. the total number of people is 110. the first person selected can be any one of the 16 people. but the second person selected can only be ONE- the person who lives with him. so p(same house with no others)=(16/110)*(1/109)=0.00133
anyways good luck for 2moro! ;)
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Offline DrEvil

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Re: O level Stats 4040
« Reply #2 on: October 11, 2009, 05:06:10 pm »
thanks very much slvri...and best of luck to u too...i hope that the paper will going to be an easy one...and may god help us tmrw...!!!
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Offline slvri

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Re: O level Stats 4040
« Reply #3 on: October 11, 2009, 05:10:49 pm »
Quote from: DrEvil on October 11, 2009, 05:06:10 pm
thanks very much slvri...and best of luck to u too...i hope that the paper will going to be an easy one...and may god help us tmrw...!!!
you too! probability qs are realy hard..... :-[. so r u givin any other subs?
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Offline DrEvil

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Re: O level Stats 4040
« Reply #4 on: October 11, 2009, 05:19:36 pm »
the statements of the probability questions are real hard to understand...seriously i get confuzed whenever i do a probability question...

and i am only giving stats (privately) in this session...i wanted to complete my 10 subjects... ;D

and what are u expecting in stats??
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Offline slvri

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Re: O level Stats 4040
« Reply #5 on: October 11, 2009, 05:29:46 pm »
Quote from: DrEvil on October 11, 2009, 05:19:36 pm
the statements of the probability questions are real hard to understand...seriously i get confuzed whenever i do a probability question...

and i am only giving stats (privately) in this session...i wanted to complete my 10 subjects... ;D

and what are u expecting in stats??
hopefully A.........so u have given ur other subs? and this is my 11th sub......already got 10A's in o level
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Offline DrEvil

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Re: O level Stats 4040
« Reply #6 on: October 11, 2009, 05:35:27 pm »
dude em impressed... ;D

i have given urdu and islamiat in the previous session and scored A's in both of'em...

By the way do u know or have any info abt A* grade in this oct/nov session?? are these grades applicable now??

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Offline slvri

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Re: O level Stats 4040
« Reply #7 on: October 11, 2009, 05:38:40 pm »
Quote from: DrEvil on October 11, 2009, 05:35:27 pm
dude em impressed... ;D

i have given urdu and islamiat in the previous session and scored A's in both of'em...

By the way do u know or have any info abt A* grade in this oct/nov session?? are these grades applicable now??


thanks......no a* in o level though.......thats for igcse and A2
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Offline DrEvil

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Re: O level Stats 4040
« Reply #8 on: October 11, 2009, 05:58:45 pm »
dude thankx fr the info and best of luck fr tmrw's ppr... :D
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Offline slvri

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Re: O level Stats 4040
« Reply #9 on: October 11, 2009, 06:03:33 pm »
Quote from: DrEvil on October 11, 2009, 05:58:45 pm
dude thankx fr the info and best of luck fr tmrw's ppr... :D
bset of luck to you as well! ;)
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Offline slvri

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Re: O level Stats 4040
« Reply #10 on: October 12, 2009, 12:50:36 pm »
im back frm ma stats paper....it was awesome! cant say anymore cuz of the 24 hour rule though ;)
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Offline DrEvil

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Re: O level Stats 4040
« Reply #11 on: October 12, 2009, 03:09:50 pm »
yea u rite...we'll talk abt it tmrw..  ;D
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Offline syntacus

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Re: O level Stats 4040
« Reply #12 on: October 13, 2009, 10:08:57 am »
Paper was different from previous papers yar! It was definitely more difficult than the previous 2 years papers....
It's been 24 hours since the paper ( 2:30 yesterday ).. Shall we discuss?
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Offline slvri

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Re: O level Stats 4040
« Reply #13 on: October 13, 2009, 10:20:30 am »
Quote from: syntacus on October 13, 2009, 10:08:57 am
Paper was different from previous papers yar! It was definitely more difficult than the previous 2 years papers....
It's been 24 hours since the paper ( 2:30 yesterday ).. Shall we discuss?
yeah i think we can discuss it now
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Offline syntacus

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Re: O level Stats 4040
« Reply #14 on: October 13, 2009, 10:27:00 am »
Section A was weird but i think i got it all right except the Q about the postal questionnaires lol..... the q was what is it's advantage over interviewing personally right or just general?
I wrote it requires less resources( as you don't need interviewers )
and disadv that a reply from the persons is not necessary.....
Section B mai only the last Q was easy the rest were harder than usual.. examiner must hve been angry that day!!!!!:P
Ogive wale q mai... after getting value 66.. the median was the 44'th value off the graph right not the 33rd cause you had to eliminate the first 11 values??
Those 4 marks worth of comment questions were weird :/ .. why does the mean increase and precision one.. wht were the answers if anyone knows?
I'm just sad I messed up the part b of the probability q yar in sec B ... dno what happened
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