# Econ 338/ envr 305 clicker questions - PowerPoint PPT Presentation

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Econ 338/ envr 305 clicker questions. Statistics – Question Set #9 (from Chapter 10). The deterministic part of the simple linear regression equation describes:. why the actual observed values of y are not exactly on but fluctuate near a line. the magnitude of the noise in the data.

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Econ 338/ envr 305 clicker questions

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## Econ 338/envr 305clicker questions

Statistics – Question Set #9 (from Chapter 10)

### The deterministic part of the simple linear regression equation describes:

• why the actual observed values of y are not exactly on but fluctuate near a line.

• the magnitude of the noise in the data.

• the three parameters in the model.

• the trend in y as x increases.

• the expected change in y brought about by a unit increase in x.

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### The random variable ε is also called the _____.

• slope

• error term

• y-intercept

• deterministic part

• trend

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### The goodness of fit of a line = mx + b to a set of n pairs (x, y) of numbers in a sample is _____.

• the sum of the errors

• the mean of the errors

• the square of the errors

• the sum of the squared errors

• the mean of the squared errors

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