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ny = 11 X1 = 13 1 The following data represent the length of time, in days, to recovery for patients randomly treated with on

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Answer #1

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for equal roulance pooled rocjance = spe- (11-1) 5,2 + (12-19 522 ni+ha-2 rox 119 + 15XL.L. -2 25 Sp2 = 1.42 sp: 11.196 sp= 1

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