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Statistics for Business Class test 1 (1 Viewer)

debugz

Member
Joined
Jul 7, 2002
Messages
234
Location
sydney
Gender
Female
HSC
2001
Just wondering if anyone here has done the practice class 1 test.?

If so, what answers did you get..
Im slowly working my way through it and so far, ive just finished question 2, but what ive done , is do a joint probability table at the start. Then, they said create one in the last question, so i dont know if i did the first questions right.

These are my answers for q2. can anyone else confirm and/or make suggestions?

i) 0.673
ii) 0.909
iii) 0.557
iv) No.
v)

location in degree (D) Not in Degree (!D) total

parra (P) 419 204 623

notparra (!P) 333 381 714

total 752 585 1337

Hopefully someone can reply, just going a bit muddeled.
 

RabbitRabbit

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Joined
Apr 4, 2006
Messages
195
Location
sydneyyy
Gender
Female
HSC
N/A
my tutor gave us the answers:

Q2
i) 419/1337
ii) 956/1337
iii) 419/752
iv) no
and v) is right

how'd you go in the test on friday? I got the yellow test and it was so damn hard compared to the sample!! :(
 

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