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Statistics: Correlation and Regression

Find study help on correlation and regression for statistics. Use the links below to select the specific area of correlation and regression you're looking for help with. Each guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn correlation and regression for statistics.

Study Guides

showing 1 - 10 of 16
  • 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
  • 9.

    Linear Regression Model for Beginning Statistics

    Practice problems for these concepts can be found at: Regression and Correlation Solved Problems for Beginning Statistics

    Source: McGraw-Hill Professional
  • 10.

    Least-Squares Line for Beginning Statistics

    Practice problems for these concepts can be found at: Regression and Correlation Solved Problems for Beginning Statistics

    Source: McGraw-Hill Professional
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