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Posted on October 10, 2019 at 12:01pm 0 Comments 0 Likes
Correlation and regression analysis both deal with relationships between variables. There are many different types of correlation and regression; This image focuses on the differences between the two most common ones: Pearson correlation and…
ContinuePosted on September 30, 2019 at 12:00pm 0 Comments 0 Likes
You may have figured out already that statistics isn't exactly a science. Lots of terms are open to interpretation, and sometimes there are many words that mean the same thing—like "mean" and "average"—or sound like they should mean the same thing, like significance level and confidence level.
Although they sound very similar, significance level and confidence level are in fact two completely different concepts. Confidence levels and confidence…
ContinuePosted on September 22, 2019 at 6:03am 0 Comments 0 Likes
Correlation coefficients enable to you find relationships between a wide variety of data. However, the sheer number of options can be overwhelming. This picture sums up the differences between five of the most popular correlation coefficients.…
ContinuePosted on September 14, 2019 at 5:28am 0 Comments 0 Likes
The main difference between stratified sampling and cluster sampling is that with cluster sampling, you have natural groups separating your population. For example, you might be able to divide your data into natural groupings like city blocks, voting districts…
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