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What is Research Methodology: Parametric & Non-Parametric Tests about?

Parametric tests like the t-test are used to compare sample means when the data meets certain assumptions such as having a normal distribution. The t-test can be independent samples to compare two unrelated groups, paired samples to compare the same group in two conditions, or one sample to test if a sample mean differs from a hypothesized value. Non-parametric tests like the Mann-Whitney U test and Sign test do not require assumptions about the population and can be used as alternatives to the t-test when

Author

Gaurav Gangwar Surya

Language

EN