Need help please

Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r? Row 1 19 28 30 45 50 65 70 Row 2 153 137 198 120 195 122 203 Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. r=(Round to three decimal places as needed ) Enter your answer in the answer box and then click Check Answer. 2 parts remaining Clear All Check Answer O e B M DELL Use the data shown in the table that shows the number of bacteria present after a certain number of hours. Replace each y value in the table with its logarithm, logy Find the equation of the regression line for the transformed data. Then construct a scatterplot of (x, log y) and sketch the regression line with it. What do you notice? Number of hours, x 3 5 6 Number of bacteria, y 84 124 232 411 650 1073 1786 Find the equation of the regression line of the transformed data logy= x + (Round to three decimal places as needed) Enter your answer in the edit fields and then click Check Answer. 2 parts ? remaining Clear All Check Answer rc O e DELL