O Question1 v B 1 pt '0 1 (D Details If the linear correlation coefficient between the explanatory variable (as) and response variable (y) is r = 0.89, the slope of the regression line is 0 negative 0 not enought information to answer 0 positive Submit Question Question 2 1pt 91 2 0 Details Here is a bivariate data set. X y 45 70 59 64 30 80 39 72 27 74 20 77 42 69 24 77 Find the correlation coefficient and report it accurate to four decimal places. r = Submit Question.Question3 v H 81 pt '01 8 2 (D Details A study was done on smoking and lung capacity. 200 smokers took part in a study that asked them how many cigarettes a day they smoked and then measured their lung capacity. The correlation was found to be r = 0.992 . Based solely on this study it can be concluded that smoking causes lung cancer. 0 true 0 false Submit