Sketch density curves for two populations

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Reference no: EM131431938

When is a permutation test valid? You want to test the equality of the means of two populations. Sketch density curves for two populations for which

(a) a permutation test is valid but a t test is not.

(b) both permutation and t tests are valid.

(c) a t test is valid but a permutation test is not.

Reference no: EM131431938

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