This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Which of these is a parametric test 
Select and explain. 
A. T-Test, B. Wilcoxon signed rank Test, C. Mann-Whitney U Test, D. Chi-Square Test
A: T-Test
Answer: A: T-Test 
Explanation: None