Main Article Content
This article tries to revealed about the high school students’ problem in
mathematics subject. For this a data is collected through questionnaire method.A total of
seven high schools of the district Baksa of Assam is purposefully selected in the survey. The
questionnaire method is conducted through the response sheet in order to get the data. As the
data is collected afresh, so this can be regarded as a primary data collection. why the majority
of students in this particular area are poor in mathematics subject is focused in this article.
Some basic problems and factors are identified and trying to well defined.Based on response
sheet of the evaluated test, students’ performance is categorized into different sections. These
categories are considered as a fuzzy set based on the personal category. Since the collected
can be regarded as imprecise data, so the process of defuzzification is used here to convert the
data into precise form. The centre of gravity (COG) or the centroid of area (COA) method is
used to get the centroid of the data sets or to get the defuzzified value.