Questions and Answers
What does a correlation coefficient of -0.8 indicate?
What is the formula to calculate the linear correlation coefficient, r?
What does a correlation coefficient of 0.4 indicate?
What is the range of values for the correlation coefficient, r?
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What does a correlation coefficient of 1 indicate?
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What is the name of the formula used to calculate the linear correlation coefficient?
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What does a correlation coefficient of -1 indicate?
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What is the interpretation of a correlation coefficient, r, that is close to 0?
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What is the direction of the correlation when the linear correlation coefficient is positive?
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What is the strength of the correlation when the linear correlation coefficient is 0.6?
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What is the name of the correlation coefficient when it is equal to -1?
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What is the unit of measurement for the standard deviation of x-values and y-values?
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What is the term for the gradient of the least squares regression line?
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What is the correlation coefficient when there is no relationship between the two variables?
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What is the correlation coefficient when the increase in one variable leads to a decrease in the other variable?
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What is the term for the correlation coefficient that is calculated using the formula r = b(sigma_x/sigma_y)?
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What is the term used to describe the strength and direction of a relationship between two variables?
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A correlation coefficient, r, of 0.32 indicates a _______ correlation.
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Which of the following is NOT a characteristic of a perfect negative correlation?
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What happens to the value of y when the value of x increases in a correlation with a coefficient, r, of -0.6?
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What is the name of the correlation coefficient that is calculated using the formula r = b(sigma_x/sigma_y)?
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A correlation coefficient, r, of 0.85 indicates a _______ correlation.
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Which of the following is a characteristic of a correlation with a coefficient, r, of 0?
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What is the interpretation of a correlation coefficient, r, that is close to 1?
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