r= r 1= 3) Write the correlation coefficient r for each of following scatter plots from : - 0.85, - 0.4, 0.5, 0, 0.9 , 0.99 a. b. C. d. e. f. 4) Determine if there is sufficient evidence of linear correlation if a) n = 15, critical value = +/-0.514 and r = - 0.633 ( yes o) b) n = 15, critical value = +/-0.514 and r = 0.443 (yes / no) c) n = 15, p-value = 0.098, and a = 0.05 (yes / no) d) n = 15, p-value = 0.0098 and a = 0.01 (yes / no)