How to write the problem statement in a research paper?

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).

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Understanding research

Research in common parlance refers to search for knowledge. One can also define research as a scientific and systematic search for pertinent information on a specific topic. In fact, it is an art of scientific investigation.

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Paired sample T-test

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.