A problem statement is a brief overview of the issues or problems existing in the concerned area selected for the research. It is an explanation of the issues prevalent in a particular sector which drives the researcher to take interest in that sector for in-depth study and analysis, so as to understand and solve them (Saunders et al. 2009).
A hypersensitivity disorder in which human body’s immune system generates specific response against a substance which is otherwise harmless is termed as allergy (Pawankar 2014). This abnormal reaction can be triggered from environment allergens or aero-allergens, food allergens, insects or drugs.
During the World War II, August of 1945, the United States of America dropped two atomic bombs on the cities of Hiroshima and Nagasaki which are in Japan (Shuk-ting and Qiu 2013).
A paired sample t-test is used to determine whether there is a significant difference between the average values of the same measurement made under two different conditions.