I need help with 11 questions that i couldnt possibly do... Please help

26. Give an example of a representative sample.
27. Give an example of an unbiased sample.
28. Give an example of a biased sample.
29. Give an example of volunteer sampling.
30. Describe how you might use convenience sampling.
31. Describe how you might use simple random sampling.
32. Describe when you might use systematic sampling. -
33. Describe when you might use stratified sampling.

Question

I need help with 11 questions that i couldnt possibly do... Please help 

26.	Give an example of a representative sample.
27.	Give an example of an unbiased sample.
28.	Give an example of a biased sample.
29.	Give an example of volunteer sampling.
30.	Describe how you might use convenience sampling.
31.	Describe how you might use simple random sampling.
32.	Describe when you might use systematic sampling. - 
33.	Describe when you might use stratified sampling.

amistre64 · Answer

31 is just not possible .. noonein my class was ever able to do that one :)

anonymous · Answer

ok thanks i guess

amistre64 · Answer

is there a reason that you cant possibly do these?  they are pretty much definitional

anonymous · Answer

i dont know why, but i just cant i did others but these 11 i just want to get it right and i need answers

amistre64 · Answer

well, if you do your best with them, we might be able to iron out the rough areas .... as opposed to simply giving you the answers straight up.

anonymous · Answer

um, ok

anonymous · Answer

i still cant figure it out