Study Guides
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1.
Tweaks, Trends, and Correlation Help
Linear Interpolation The term interpolate means ''to put between.'' When a graph is incomplete, estimated data can be put in the gap(s) in order to make the graph look complete. An example is shown in Fig. 1-13. This is a graph of the price of the ...
Source: McGraw-Hill Professional -
2.
Statistics and Forecast Help
Introduction to Forecast Let's revisit the ''USA hurricane scenario.'' The predicted path for Hurricane Emma shown in Fig. 6-3 is a hypothesis, not an absolute. The absolute truth will become known eventually, and a path for Emma will be drawn on a map with ...
Source: McGraw-Hill Professional -
3.
Regression Help
Introduction to Regression—Paired Data Regression is a way of defining the extent to which two variables are related. Regression can be used in an attempt to predict things, but this can be tricky. The existence of a correlation between variables ...
Source: McGraw-Hill Professional -
4.
Correlation Principles Help
Introduction to Correlation Principles Let's examine correlation a little more closely now. When two things are correlated, does one cause the other? Does a third phenomenon cause both? Is there any cause-and-effect relationship at all? People often conclude that ...
Source: McGraw-Hill Professional -
5.
Causes and Effects Help
Introduction to Causes and Effects When two things are correlated, it's tempting to think that there is a cause-and- effect relationship involved. Examples abound; anyone who listens to the radio, reads newspapers, or watches television these days can't escape ...
Source: McGraw-Hill Professional -
6.
Chaos, Bounds, and Randomness Help
Introduction to Chaos, Bounds, and Randomness Have you ever noticed that events seem to occur in bunches? This is more than your imagination. A few decades ago, this phenomenon was analyzed by Benoit Mandelbrot, an engineer and mathematician who worked for ...
Source: McGraw-Hill Professional -
7.
Correlation, Causation, Order, and Chaos Practice Test
Review the following concepts if necessary: Correlation Principles Help
Source: McGraw-Hill Professional -
8.
Correlation and Causation Help
Correlation and Causation Correlation between two variables does not imply a direct cause-and-effect relation. Here are some problems involving correlation and causation. Two Modern Plagues During the last few decades ...
Source: McGraw-Hill Professional
