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I am learning data science through a series of HarvardX courses.

to elaborate Sample Correlation, the professor assumes

A less fortunate geneticist can only afford to take a random sample of 25 pairs.

and then, the professor runs a Monte Carlo simulation to see the the randomness of the sample correlation.

recreate R 1000 times is in a perspective of us rather than that poor geneticist, right? because the geneticist can only afford to take a random sample of 25 pairs, so the geneticist cannot get a whole view of the population, cannot run a Monte Carlo simulation like us.

is my understanding right?

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