It is not necessarily lower quality data. There is no general rule for what it means exactly. Youll also learn how to identify outliers, how Histograms relate to probability Distribution functions, and why you might need to use hypothesis tests with them. In this blog post, I 'll show you how histograms reveal the shape of distribution, its central tendency, and spread of values in your sample data. For instance, while mean and standard deviation can numerically summarize your data, histograms bring your sample data to life. They are fantastic exploratory tools because they reveal properties about your sample data in ways that summary statistics cannot. Histograms are graphs that display the distribution of your continuous data.
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