Question: please solve this question 6. (16 points] In a. study of the rate at which the pesticide hexaconazole is absorbed through skin, skin specimens were

please solve this question

6. (16 points] In a. study of the rate at which the pesticide hexaconazole is absorbed through skin, skin specimens were exposed to 24 pg of hexaconazole. Four specimens were exposed for 30 minutes, and four others were exposed for 60 minutes. The amounts (in pg) that were absorbed were 30 minutes 2.5 3.3 3.4 4.5 3.1 ?:3.360 5y:0.325 60 minutes 4.5 3.9 3.6 3.2 5.3 X:4.100 5X=O.37 [1] Find a 95% condence interval for the mean amount absorbed in the time interval between 30 and minutes after exposure. (2] Can you conclude that the amounts exposed for 60 minutes is diEerent from the amounts exposed for 3D minutes?I [3) Perform the same hypothesis test as that in (2] with an additional condition that the population variances are the 58.1118

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