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@ -88,6 +88,7 @@ $$
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2. c Wert berechnen
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$$
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c = \frac{\sum_y * \sum_x - \sum_x * \sum_{xy}}{n(\sum_{x^2}) - (\sum_x)^2} \\ \\
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c = \frac{20 * 55 - 15 * 69}{5*55 - 15^2} = 1.3
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$$
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