This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
[{'content': 'Type 1 Sampling error is classified as- \nSelect and explain. \nA. Alpha error, B. Beta error, C. Gamma error, D. Delta error', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p> Alpha error. In Type 1 error , Null hypothesis is true but rejected. Probability of Type 1 error is given by &;P&; value. Alpha is fixed in advance: P value calculated can be less than , equal to or greater than alpha. Reference: Simple Biostatistics by Indeayan & Indrayan,1st edition,pg no:155-57 and Methods in Biostatistics by Mahajan,7 th edition,pg no:111-113. <\\p>', 'role': 'assistant'}]