Classify the two given samples as independent or dependent. Sample 1: Sample 2: The average test scores of 50 math students The average test scores of the same 50 math students after being tutored for two months Choose the correct answer below. A. The two given samples are independent because the same students were sampled. B. The two given samples are independent because different students were sampled. C. The two given samples are dependent because the same students were sampled. OD. The two given samples are dependent because different students were sampled.