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The Complete Idiot's Guide to Statistics, 2nd Edition by Robert Donnelly

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Probability Distributions

Now let’s introduce you to probability distributions and prepare you for the last three chapters of Part 2. However, first we need to discuss the topic of random variables, which will lay the groundwork for specific probability distributions in Chapters 9, 10, and 11.

Random Variables

In Chapter 6, we talked about conducting experiments to acquire data. Examples of experiments could be rolling dice or counting the number of times next month that I can’t find something in the house and need to ask Debbie to help me. “She who knows where all things are” has this mystical ability to make these items suddenly appear before my very eyes after I have given up looking. Debbie then proceeds to give me a pitiful look that ...

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