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What is Welchâ€™s test?

5 years ago in Case Study By Aarthi S

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All Answers (2 Answers In All)

By Sourabh Answered 5 years ago

Welch’s t-test is nothing but a variation of t-test that used when 2 samples have unequal variances. You should use this test when 2 samples to test if samples have equal variances.

By Jennifer Answered 5 years ago

A Welch’s t-test is simply a modification of t-test. It determines the significant difference between the two samples. Instead, it adjusts/modifies the degrees of freedom This test does not assume that variances are equal,

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