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Mathematics 15 Online
OpenStudy (howard-wolowitz):

I need help defining "simple random sample"!

OpenStudy (howard-wolowitz):

Is this a good enough example: allows researchers to use statistical methods to analyze sample results, and it There are many ways to obtain a simple random sample. One way would be the lottery method. Each of the N population members is assigned a unique number. The numbers are placed in a bowl and thoroughly mixed. Then, a blind-folded researcher selects n numbers. Population members having the selected numbers are included in the sample.

OpenStudy (howard-wolowitz):

I was gonna use that, but I was told it wasnt correct!

OpenStudy (howard-wolowitz):

Ok, I like that, but do you tinhk I sshould some how include sometinhg to do with "N" in my final answer as well

OpenStudy (zarkon):

a simple random sample is a sampling procedure where every possible sample of a given size (call it n) has the same chance to be chosen.

OpenStudy (howard-wolowitz):

why do they call it the size of n then

OpenStudy (zarkon):

for example every sample of size 5 would have the same chance of being chosen ( using a srs) here n=5.

OpenStudy (howard-wolowitz):

ok thank you for helping me I under stand it now

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