The coefficient of correlation

Related MCQs

• Suppose the correlation coefficient between height (as measured in feet) versus weight (as measured in pounds) is 0.40. What is the correlation coefficient of height measured in inches versus weight measured in ounces? [12 inches = one foot; 16 ounces = one pound]
• If there is a very strong correlation between two variables then the correlation coefficient must be
• If the coefficient of determination is equal to 1, then the correlation coefficient
• If the coefficient of determination is 0.81, the correlation coefficient
• The correlation coefficient is used to determine:
• If the correlation coefficient is 0.8, the percentage of variation in the response variable explained by the variation in the explanatory variable is
• If the correlation coefficient is a positive value, then the slope of the regression line
• Suppose that you have carried out a regression analysis where the total variance in the response is 133452 and the correlation coefficient was 0.85. The residual sums of squares is:
• In a regression and correlation analysis if r2 = 1, then
• If the coefficient of determination is a positive value, then the regression equation