5. Exercise 10.80 (p. 438) Drug absorption Do the problem by hand. Use the rejection region approach to make the decision in part a) …
5. Exercise 10.80 (p. 438) Drug absorption Do the problem by hand. Use the rejection region approach to make the decision in part a) and calculate the approximate p-value in part b) to confirm your decision in part a). An experiment was conducted to compare the mean lengths of time required for the bodily absorption of two drugs A and B. Ten people were randomly selected and assigned to receive one of the drugs. The length of time (in minutes) for the drug to reach a specified level in the blood was recorded, and the data summary is given in the table: Drug A Drug B x̄1=27.2 x̄2=33.5 S1^2=16.3 S2^2=18.92 a.)Do the data provide sufficient evidence to indicate a difference in mean times to absorption for the two drugs? Test using α=.05 b.) Find the approximate p-value for the test. Does this value confirm your conclusions? c.)Find a 95% confidence interval for the difference in mean times to absorption. Does the interval confirm your conclusions in part a?
