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Probability and Statistics
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Probability and Statistics
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Probability and Statistics Topics
Probability and Statistics explanations, examples, practice problems. Ready? Letâ€™s do this.
Types of Data
The MerriamWebster dictionary says that data is "factual information used as a basis for reasoning, discussion, or calculation." If we observe something and write down what we observe, we're gathe...
Analysis of SingleVariable Data
Univariate, or singlevariable, data is usually given as a list of numbers. It's the type of list you'd take with you to the store if you had to go number shopping and were afraid you would forget...
Pictures of SingleVariable Data
Who doesn't like pictures? Nobody! There's only one little thing we need to cover before we come to the good stuff, though:ListsOne simple way to look at singlevariable data is to write it down in...
Bivariate Data
Bivariate data is data where two values are recorded for each observation (as opposed to univariate data). We could look at a bunch of cars in a parking lot, write down both their manufacturers and...
Probability
Factorials, Permutations, and Combinations
To find probabilities of more complicated events, we'll need some more powerful ways of counting things. Sit down and buckle up, because stuff's about to get real.
In the Real World
As for the statistics part, you can actually make a living out of doing statistics. In fact, there are even statistics about statisticians.As for probability, here's a fun yet oddly practical subje...
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