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Questions and Answers
What is the formula for the linear regression line?
What is the formula for the linear regression line?
What does a strong negative correlation indicate?
What does a strong negative correlation indicate?
What is the range of values for the regression coefficient, r?
What is the range of values for the regression coefficient, r?
How do you enter the data into the calculator for linear regression?
How do you enter the data into the calculator for linear regression?
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What is the interpretation of a zero correlation?
What is the interpretation of a zero correlation?
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What does the gradient, B, represent in the linear regression line?
What does the gradient, B, represent in the linear regression line?
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What is the purpose of calculating the regression line?
What is the purpose of calculating the regression line?
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What is the term for the line of best fit for a set of bivariate numerical data?
What is the term for the line of best fit for a set of bivariate numerical data?
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What is the purpose of calculating the regression coefficient, r?
What is the purpose of calculating the regression coefficient, r?
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What does a medium positive correlation between x and y indicate?
What does a medium positive correlation between x and y indicate?
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What is the first step in using a calculator for linear regression?
What is the first step in using a calculator for linear regression?
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What does a strong positive correlation between x and y indicate?
What does a strong positive correlation between x and y indicate?
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What is the term for the point where the regression line crosses the y-axis?
What is the term for the point where the regression line crosses the y-axis?
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What is the relationship between x and y in a weak negative correlation?
What is the relationship between x and y in a weak negative correlation?
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What is the equation of the regression line used for?
What is the equation of the regression line used for?
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What does a negative correlation between x and y indicate?
What does a negative correlation between x and y indicate?
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What is the primary use of the regression coefficient, r?
What is the primary use of the regression coefficient, r?
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What type of correlation is indicated when r is equal to -0.6?
What type of correlation is indicated when r is equal to -0.6?
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What is the purpose of calculating the y-intercept, A, in linear regression?
What is the purpose of calculating the y-intercept, A, in linear regression?
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What happens to the value of y when x increases in a positive correlation?
What happens to the value of y when x increases in a positive correlation?
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What is the relationship between x and y in a medium positive correlation?
What is the relationship between x and y in a medium positive correlation?
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What is the primary purpose of finding the equation of the regression line?
What is the primary purpose of finding the equation of the regression line?
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What type of correlation is indicated when r is equal to 0.2?
What type of correlation is indicated when r is equal to 0.2?
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What is the relationship between x and y in a strong negative correlation?
What is the relationship between x and y in a strong negative correlation?
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