Data in Research Methodology – Definition, Types, Classification, and Examples

Data and Its Types in Research Methodology – Definition, Classification, and Examples

Data in Research is the foundation of every study. Without data, no analysis, interpretation, or conclusion can be made. Whether in biology, medicine, social sciences, or business research, data provides the evidence that supports or rejects a hypothesis.

Z-test in Research Methodology – Definition, Formula, Types, Examples, and Applications

Z-test in Research Methodology – Definition, Formula, Types, Examples, and Applications

The Z-test is a parametric statistical test used to determine whether there is a significant difference between a sample and a population, or between two independent samples.