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For hypothesis test comparing two population means, the combined degrees of freedom are 24. Which of following statements about the two sample sizes could NOT be true? Suppose the population standard deviations are equal.

A. Sample A = 11; sample B = 13

B. Sample A = 12; sample B = 14

C. Sample A = 13; sample B = 13

D. Sample A = 10; sample B = 16

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