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Statistics for Big Data For Dummies Alan Anderson pdf pdf

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Figure 1-1: A time series showing gold output per year for the past ten years.
Figure 2-1: A diagram of a hierarchical database.
Figure 5-1: A symmetrical distribution of returns.
Figure 5-3 shows the returns to another portfolio over the same time horizon. For thisportfolio, there were more positive returns than negative returns over the past 20 years.As a result, the distribution is positively skewed (or skewed to the right).
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