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Biostatistics Lecture 4

These two formulas are also on book pages 103 and 104

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Unformatted text preview: is a Greek “S” for “Sum” which means to add up. These two formulas are also on Book Pages 103 and 104. See Class Examples 1 and 2. See Book Examples 3.5.5 – 3.5.8. Observations: The expected value is not necessarily a value than can even occur. It is simply the average value you expect if you repeat the experiment several times. The expected value is a weighted average of the possible outcomes and thus will be between the smallest and largest possible outcomes. (The “Notice” for Class Examples 1 and 2.) Onto a...
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