Linear Regression Quiz

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Questions and Answers

What is the term for the case of one explanatory variable in linear regression?

  • Correlated linear regression
  • Simple linear regression (correct)
  • Multivariate linear regression
  • Multiple linear regression

What is the term for the case of more than one explanatory variable in linear regression?

  • Simple linear regression
  • Correlated linear regression
  • Multiple linear regression (correct)
  • Multivariate linear regression

What type of linear regression deals with multiple correlated dependent variables?

  • Multiple linear regression
  • Correlated linear regression
  • Simple linear regression
  • Multivariate linear regression (correct)

What is assumed to be an affine function of the values in linear regression?

<p>Conditional mean of the response (C)</p> Signup and view all the answers

What are the unknown model parameters estimated from in linear regression?

<p>The data (D)</p> Signup and view all the answers

Which of the following best describes a discrete variable?

<p>A variable in which there are no intermediate values possible (B)</p> Signup and view all the answers

What is the primary focus for statistical considerations according to the text?

<p>Level of measurement (D)</p> Signup and view all the answers

Which of the following accurately describes a continuous variable?

<p>A variable that can theoretically have values in between points (D)</p> Signup and view all the answers

What is deemed more important for statistical considerations than the distinction between discrete and continuous variables?

<p>Level of measurement (D)</p> Signup and view all the answers

What is the main focus for statistical considerations, as emphasized in the text?

<p>Level of measurement (D)</p> Signup and view all the answers

Flashcards

Simple Linear Regression

Linear regression with one explanatory variable.

Multiple Linear Regression

Linear regression with multiple explanatory variables.

Multivariate Linear Regression

Linear regression dealing with multiple correlated dependent variables.

Conditional Mean of the Response

In linear regression, it's assumed to be an affine function of the values.

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Unknown Model Parameters

Estimated from the data in linear regression.

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Discrete Variable

A variable with no possible intermediate values.

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Level of Measurement

Critical aspect for statistical considerations.

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Continuous Variable

Variables with values between any two points.

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Level of Measurement

More important than discrete vs. continuous distinction.

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Level of Measurement

The primary focus for statistical considerations.

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