Statistics

Statistics

Chapter 3 Review

Below is an outline of the major points covered in Chapter 3. You will need to clearly understand the concepts, terms and graphs presented in Chapter 3. You may need to refer back to Chapters 1 and 2 as we progress through the text. All concepts build from each other.

You should be able to …

Define

Calculate

Understand

Independent variable Dependent variable Random variable

Slope Intercept Regression

Correlation analysis and know how the independent variable can influence the dependent variable.

Ch. 3 Fill in the Blank

Complete the following fill-in-the blank exercises.

1. A ___________ is a mathematical function that may change with time.

2. The ___________ variable stands alone and is not subject to change.

3. The ____________ variable most often changes in response to the independent variable.

4. The ___________ variable value has an equal number of opportunities to be chosen.

Answer key is found on page 81.

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