a)2 parametric tests used for 2 independent samples
1)Welch's t test (For unequal population variance)
2)Two sample Fisher's t test (For equal population variance assumption )
b)Two non parametric tests used for two independent samples are
1)Mann-Whitney's test..(to determine if the samples come from a single population or from two different populations meaning that the two samples may be considered identical or not.)
2)Kolmogorov-Smirnov's test(to determine if the populations from which the samples were taken have different cumulative distribution functions. )
Note :If there is any understanding problem regarding this please feel free to ask any doubt in comment box. Thank you.
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