Sampling Methods and Bias with Surveys: Crash Course Statistics #10
Participate in our survey! We'll analyze the results in future episodes! (individual data will be kept anonymous). https://bit.ly/2J1zimn Today we're going to talk about good and bad surveys....
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Hi, I’m Adriene Hill and welcome back to Crash Course Statistics. In our last episode we talked about how we use experiments to imitate having two parallel universes to test things. But sometimes you can’t do certain experiments without becoming an all-powerful and evil dictator, and since it’s statistically unlikely that any of you are evil dictators, today, we’ll explore those methods. Like we mentioned at the beginning of the series, you’re not always able to answer the questions you really want to answer using statistics. For example, it would be great to experimentally test whether getting married increases your lifespan, but you can’t randomly assign some people to be married and force another group to be single. Not only would that be ...
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Hi, I’m Adriene Hill and welcome back to Crash Course Statistics. In our last episode we talked about how we use experiments to imitate having two parallel universes to test things. But sometimes you can’t do certain experiments without becoming an all-powerful and evil dictator, and since it’s statistically unlikely that any of you are evil dictators, today, we’ll explore those methods. Like we mentioned at the beginning of the series, you’re not always able to answer the questions you really want to answer using statistics. For example, it would be great to experimentally test whether getting married increases your lifespan, but you can’t randomly assign some people to be married and force another group to be single. Not only would that be ...
