Statistics Data Collection and Samples: Part 3
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In this video, I discuss the importance of having a random sample. Random sampling helps to ensure that we can draw accurate conclusions from our analysis. (00:26) I discuss the difference between a random and non-random sample. (00:46) I discuss two main types of random samples: simple random samples and systematic samples. (02:40) I also discuss several types of non-random samples. Things such as focus groups, judgement samples, and convenience samples can still be useful. ... https://www.youtube.com/watch?v=oBpek8tjn6M
2020-03-29
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