regarding the second question: how the (exclusively) Silicon Valley start-ups sample is different from the canteen students sample (from the video)? If the population comprises all the US start-ups how can a sample composed of exclusively Silicon Valley ones can be considered random? I believe this would be the case (a random sample) only if we considered the Silicon Valley start-ups as the population.

"Random" as it relates to startups within Silicon Valley. The sample is not random with respect to all USA startups.

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Last answered:

25 Sept 2022

Posted on:

27 Oct 2021

Why a sample comprising (exclusively) silicon valley start-ups can be considered a random sample.

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Posted on:

25 Sept 2022