This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
[{'content': 'If one variable is given then you can find another variable by \nSelect and explain. \nA. Coefficient of variation, B. Coefficient of correlation, C. coefficient of regression, D. coefficient of determination', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Regression Analysis *Regression analysis is a mathematical model to describe the effect of 21 Independent variable on a dependent variable *Linear regression describes effect of one independent variable on a dependent variable *Multiple linear regression describes effect A too or more independent variable on a dependent variable *Non linear regression involves more complex mathematical form including logarithmic functions *Logistic regression describes effects of multiple independent Qualitative Quantitative or mixed variable on dichotomous qualitative variable *Regression coefficient in average change in dependent amiable for each unit of independent variable ref: park 21st ed', 'role': 'assistant'}]