Experimenters randomly divided 11 volunteers into 2 groups. Pupil diameter in mm was measured for each volunteer. Volunteers in the one group received a dose of morphine and volunteers in the other group received a dose of nalbuphine, and pupil diameter was measured again. Results are below: Morphine ID Before After After-Before 1 2.92 3.00 0.08 2 3.46 4.26 0.80 3 2.97 3.97 1.00 4 3.06 4.96 1.90 5 3.08 5.08 2.00 6 3.04 5.44 2.40 Nalbuphine ID Before After After-Before 1 3.08 2.78 -0.30 2 3.50 3.50 0.00 3 3.26 3.46 0.20 4 2.92 3.32 0.40 5 3.35 4.15 0.80 1a. What do you think the objectives of this experiment were? 1b. What do you have to assume about this experiment to make small-sample interferences about population means? 1c. Graph the data. Calculate a 95% confidence interval for: 1d. The mean change in pupil diameter after morphine, under the conditions of this experiment. 1e. The mean change in pupil diameter after nalbuphine, under the conditions of this experiment. 1f. The mean difference between the change in pupil diameter for the morphine and nalbuphine treatments, under the conditions of this experiment. 1g. What do you conclude from each of these intervals? 1h. For any interval that contains 0, calculate an estimate of the sample size needed to say the difference is significantly different from 0. 1i. Discuss. Solution Question is not visible properly. Text is distracted due to formating here is how its looking. please rate 5 star for help and explaination Experimenters randomly divided 11 volunteers into 2 groups. Pupil diameter in mm was measured for each volunteer. Volunteers in the one group received a dose of morphine and volunteers in the other group received a dose of nalbuphine, and pupil diameter was measured again. Results are below: Morphine ID       Before    After   After-Before 1        2.92       3.00       0.08 2        3.46       4.26       0.80 3        2.97       3.97       1.00 4        3.06       4.96       1.90 5        3.08       5.08       2.00 6        3.04       5.44       2.40 Nalbuphine ID     Before    After     After-Before 1       3.08      2.78        -0.30 2       3.50      3.50         0.00 3       3.26      3.46         0.20 4        2.92     3.32         0.40 5        3.35      4.15        0.80.

1. Experimenters randomly divided 11 volunteers into 2 groups. Pupil diameter in mm was
measured for each volunteer. Volunteers in the one group received a dose of morphine and
volunteers in the other group received a dose of nalbuphine, and pupil diameter was measured
again. Results are below:
Morphine
ID Before After After-Before
1 2.92 3.00 0.08
2 3.46 4.26 0.80
3 2.97 3.97 1.00
4 3.06 4.96 1.90
5 3.08 5.08 2.00
6 3.04 5.44 2.40
Nalbuphine
ID Before After After-Before
1 3.08 2.78 -0.30
2 3.50 3.50 0.00
3 3.26 3.46 0.20
4 2.92 3.32 0.40
5 3.35 4.15 0.80

2. 1a. What do you think the objectives of this experiment were?
1b. What do you have to assume about this experiment to make small-sample interferences about
population means?
1c. Graph the data.
Calculate a 95% confidence interval for:
1d. The mean change in pupil diameter after morphine, under the conditions of this experiment.
1e. The mean change in pupil diameter after nalbuphine, under the conditions of this experiment.
1f. The mean difference between the change in pupil diameter for the morphine and nalbuphine
treatments, under the conditions of this experiment.
1g. What do you conclude from each of these intervals?
1h. For any interval that contains 0, calculate an estimate of the sample size needed to say the
difference is significantly different from 0.
1i. Discuss.
Solution
Question is not visible properly. Text is distracted due to formating here is how its looking.
please rate 5 star for help and explaination

3. Experimenters randomly divided 11 volunteers into 2 groups. Pupil diameter in mm was
measured for each volunteer. Volunteers in the one group received a dose of morphine and
volunteers in the other group received a dose of nalbuphine, and pupil diameter was measured
again. Results are below:
Morphine
ID       Before    After   After-Before
1Â Â Â Â Â Â Â Â 2.92Â Â Â Â Â Â Â 3.00Â Â Â Â Â Â Â 0.08
2Â Â Â Â Â Â Â Â 3.46Â Â Â Â Â Â Â 4.26Â Â Â Â Â Â Â 0.80
3Â Â Â Â Â Â Â Â 2.97Â Â Â Â Â Â Â 3.97Â Â Â Â Â Â Â 1.00
4Â Â Â Â Â Â Â Â 3.06Â Â Â Â Â Â Â 4.96Â Â Â Â Â Â Â 1.90
5Â Â Â Â Â Â Â Â 3.08Â Â Â Â Â Â Â 5.08Â Â Â Â Â Â Â 2.00
6Â Â Â Â Â Â Â Â 3.04Â Â Â Â Â Â Â 5.44Â Â Â Â Â Â Â 2.40
Nalbuphine
ID     Before    After     After-Before
1Â Â Â Â Â Â Â 3.08Â Â Â Â Â Â 2.78Â Â Â Â Â Â Â Â -0.30
2Â Â Â Â Â Â Â 3.50Â Â Â Â Â Â 3.50Â Â Â Â Â Â Â Â Â 0.00
3Â Â Â Â Â Â Â 3.26Â Â Â Â Â Â 3.46Â Â Â Â Â Â Â Â Â 0.20
4Â Â Â Â Â Â Â Â 2.92Â Â Â Â Â 3.32Â Â Â Â Â Â Â Â Â 0.40
5Â Â Â Â Â Â Â Â 3.35Â Â Â Â Â Â 4.15Â Â Â Â Â Â Â Â 0.80