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OpenStudy (howard-wolowitz):
Check my answer
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OpenStudy (howard-wolowitz):
OpenStudy (howard-wolowitz):
@LegendarySadist @phi Can you guys check my answer?
OpenStudy (phi):
That would be my guess: stratified sampling we break the data into groups (stratums are rows in this case) and then randomly pick one element from each group.
OpenStudy (howard-wolowitz):
awesome, thanks for helping me
563blackghost (563blackghost):
Yup I agree with @phi With a stratified sampling you would divide them to sub groups and then conduct an SRS from each subgroup to attain your sample.... great job ^^
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OpenStudy (howard-wolowitz):
thank you guys
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