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"Where is the randomness of the sample, when there are two items which are interdependent?" Given all pairs of people whose join income is $1M, select a pair a
by mbrubeck 17y ago
"Where is the randomness of the sample, when there are two items which are interdependent?"
Given all pairs of people whose join income is $1M, select a pair at random. "All pairs" is an unusual population to select from, but mathematically it's a perfectly valid way to define a random variable.
- mmt 17y agoThis makes sense, to be, so, perhaps, I'm confused by how he would then go on to talk about the individual values that make up the pair. Is that, then, exactly his point? That a random sample of a group can't be modeled like a group of random samples, yet this is what's being done?