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URL:  https://boards.fool.com/again-there-is-no-indication-in-that-blurb-of-34114923.aspx

Subject:  Re: Millionaire professions Date:  1/21/2019  8:56 AM
Author:  reallyalldone Number:  91642 of 93697

Again, there is no indication in that blurb of anything approaching a randomized sample from the relevant population. To say that there are X people in a population and that one has sampled Y people from that population is meaningless unless one knows how they were sampled, i.e., whether they were in any way representative of the population. In particular, if they were all clients, then one could assume that they were people who responded positively to the marketing message of the firm and the "research" would tend to reinforce the marketing message.

Yup, light on explaining methodology but that won't keep this thread from going on and on and on and on...
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