A sample of 215 students at a State University was taken after the nal business statistics exam to ask them whether they went partying the weekend before the nal or spent the weekend studying, and whether they did well or poorly on the nal. The following table contains the results. Did Well in Exam Did Poorly in Exam _ Went Partying Is there a relationship between partying/studying and exam performance and why? 0 a. We need additional information to determine if there is a relationship between those two variables. 0 b. There is no relationship between the variables, because the row percentages are very similar. 0 c_ There is a relationship between the variables because the number of students who did well on the exam and studied is much higher than the number of students who did well and went out to party. 0 d. There is a relationship between the variables, as the row percentages are not the same