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: Social & Preventive Medicine
A non-symmetrical frequency distribution is known as - 
Select and explain. 
A. Skewed distribution, B. Normal distribution, C. Cumulative frequency distribution, D. All
A: Skewed distribution
Answer: A: Skewed distribution 
Explanation: Ans. is 'a' i.e., Skewed distribution o There are variations in naturally occuring data (e.g. heights of the individuals) or when data collected to formulate or test, the cause and effect hypothesis. o It is impoant to know the frequencies of value where they are distributed, i.e. frequency distribution.