Titlebook: Statistics Applied with the R Commander; Data Analysis Is (No Franz Kronthaler Textbook 20241st edition The Editor(s) (if applicable) and T

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Averages: How People and Objects Behave in Generalaverage values available for this: the arithmetic mean, the median, the mode, and the geometric mean. These values are also called measures of central tendency. We will look at their meaning and application shortly. With this, we have finally arrived at data analysis.

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Variation: The Deviation from Average Behaviors the deviation of the individual observed values from their average value. If the individual values are closer to the average value, then the average value better represents the values, if they are further away from the average value, the average value is not as meaningful.

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Charts: The Possibility to Display Data Visuallynce, the coefficient of variation, and the interquartile range. With these, we have calculated how individuals or objects behave on average with different variables and how the individual persons or objects deviate from it. Numbers, however, are sometimes difficult to convey. This is an important re

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Normal Distribution and Other Test Distributionss. To understand this, we first need to realize that chance is not entirely random. We will see that chance can be normally distributed, but also differently distributed. This means very specifically, we can make a statement about how randomly chance occurs. Interesting, isn’t it?

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The Test for a Group Mean or One Sample t-Testverage of 7.1% over the last 5 years, that they spend an average of 19.81% of their revenue on marketing and an average of 4.65% on innovation. Furthermore, we know that the company founders are on average 34.25 years old and that they have an industry professional experience of 7.42 years. But do t

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The Analysis of Variance for Testing Group Differences When There Are More Than Two Groupsa difference in the founding age between men and women. But what do we do if we want to compare more than two groups at the same time? The question could be, for example: Do company founders differ in their founding age according to their nationality? We then certainly have more than two groups to c

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