Q) Draw all possible samples of size two without replacement from the population

1,1,2,3,4,4,5

I recently started studying basic statistics on my own. Can someone please guide me how to solve this?

Thanks!

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- Apr 11th 2010, 07:44 AMunstopabl3[SOLVED] Simple Population Sampling
Q) Draw all possible samples of size two without replacement from the population

1,1,2,3,4,4,5

I recently started studying basic statistics on my own. Can someone please guide me how to solve this?

Thanks! - Apr 12th 2010, 02:54 AMmr fantastic
- Apr 12th 2010, 03:13 AMunstopabl3
Thanks for the quick reply, so this means that everytime I can only make a combination of two right? Example I choose (1,1) at first, so for my second choice I can only choose from 2,3,4,4,5 right?

- Apr 12th 2010, 03:21 AMmr fantastic
- Apr 12th 2010, 03:33 AMunstopabl3
So the possible combination would be

(1,1) , (1,2) , (1,3) , (1,4) , (1,5) , (2,3) , (2,4), (2,5) , (3,4) ,(3,5) , (4,4) , (4,5) , (5,5)

I've left out similar figures like 1,1 and 1,2 / 2,1 as I think 1,2 and 2,1 are same things no?

Thanks! - Apr 13th 2010, 07:52 PMmr fantastic
- Apr 14th 2010, 01:10 AMunstopabl3
That's the exact question which came in a previous years exam. So if the question is ambiguous like this then what is the best way to proceed?

Thanks! - Apr 14th 2010, 01:48 AMmr fantastic
- Apr 14th 2010, 05:18 AMunstopabl3
Okay, thanks for your help ;)