Suppose a classroom teacher wants to measure whether offering candy as a reward will increase the number of times that a student raises his/her hand to answer a question in class. A study yields the following data. Row C1 C2 9 12 2 7 8 3 15 14 4 10 11 5 8 If column 1 is the number of candy rewards given for answering questions during a lesson, and column 2 is the number of students who raise their hand to answer questions during a lesson, which of the following is the appropriate inference method to analyze these data? O Inference for regression O Two independent samples O Matched pairs