If the correlation coefficient is 0.8, the percentage of variation in the response variable explained by the variation in the explanatory variable is____________

Related MCQs

• In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is___________
• 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] _______
• When the correlation coefficient between x and y is positive, then as variable x decreases, variable y Remains the same________
• If there is a very strong correlation between two variables then the correlation coefficient must be _______
• 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____________
• If the coefficient of determination is equal to 1, then the correlation coefficient _______
• If the coefficient of determination is 0.81, the correlation coefficient __________
• Perfect correlation is one Perfect correlation is one in which_________
• Which of the following measurement scales is required for the valid calculation of Karl Pearson’s correlation coefficient?__________
• Which of the following measurement scales is required for the valid calculation of spearman correlation coefficient?_____________