Are You Correlation-Savvy?
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Questions and Answers

What is the purpose of regression analysis?

  • To analyze the variance between two variables
  • To determine the strength of a relationship between two variables
  • To predict a dependent variable based on one or more independent variables (correct)
  • To measure the correlation between two variables

    • What is the coefficient of determination?

  • The variance in Y explained by variability in X (correct)
  • The strength of the relationship between two variables
  • The variance in Y unexplained by X
  • The slope of the regression line

    • What is the F statistic used for in regression analysis?

  • To test the significance of the B coefficient (correct)
  • To determine the strength of the relationship between two variables
  • To calculate the slope of the regression line
  • To analyze the variance between two variables

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