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Q. ………..is a method or technique or an approach of exploring or analyzing the life of a social unit.

Q. A ………………….. is a device that is most frequently used in collecting primary data.

Q. Sample means a ………part of an entire population.

Q. A bar chart or graph showing the frequency of occurrence of each value of the variable being analysed is called

Q. Quantitative research is ………….. based

Q. ………………..error is known as non- cumulative error.

Q. A complete survey of the population is called ……….

Q. When the study is related with more than two variables, it is termed as……

Q. The survey is a non- experimental, ………………. Research method.

Q. …………. Analysis is a mathematical tool which is used to describe the degree to which one variable is linearly related to each other.