A study was conducted to examine the influence of a certain drug on the circulation levels of androgens in the blood. Blood samples were taken from free-ranging cattle immediately after they had received an intramuscular injection of the drug. A second blood sample was obtained from each cattle 30 minutes after the first sample, after which the cattle was released. The levels of androgens at time of capture and 30 minutes later, measured in nanograms per milliliter (ng/mL), for 15 cattle are given in the table below. Androgen (ng/mL) Cattle At Time of Injection 30 Minutes after Injection dį 1 2.76 7.02 4.26 5.18 3.10 -2.08 3 2.68 5.44 2.76 4 3.05 3.99 0.94 4.10 5.21 1.11 7.05 10.26 3.21 7 6.60 13.91 7.31 8 4.79 18.53 13.74 9. 7.39 7.91 0.52 10 7.30 4.85 -2.45 11 11.78 11.10 -0.68 12 3.90 3.74 -0.16 13 26.00 94.03 68.03 14 67.48 94.03 26.55 15 17.04 41.70 24.66 Assuming that the populations of androgen levels at time of injection and 30 minutes later are normally distributed, test at the 0.05 level of significance whether the androgen concentrations are altered after 30 minutes.
A study was conducted to examine the influence of a certain drug on the circulation levels of androgens in the blood. Blood samples were taken from free-ranging cattle immediately after they had received an intramuscular injection of the drug. A second blood sample was obtained from each cattle 30 minutes after the first sample, after which the cattle was released. The levels of androgens at time of capture and 30 minutes later, measured in nanograms per milliliter (ng/mL), for 15 cattle are given in the table below. Androgen (ng/mL) Cattle At Time of Injection 30 Minutes after Injection dį 1 2.76 7.02 4.26 5.18 3.10 -2.08 3 2.68 5.44 2.76 4 3.05 3.99 0.94 4.10 5.21 1.11 7.05 10.26 3.21 7 6.60 13.91 7.31 8 4.79 18.53 13.74 9. 7.39 7.91 0.52 10 7.30 4.85 -2.45 11 11.78 11.10 -0.68 12 3.90 3.74 -0.16 13 26.00 94.03 68.03 14 67.48 94.03 26.55 15 17.04 41.70 24.66 Assuming that the populations of androgen levels at time of injection and 30 minutes later are normally distributed, test at the 0.05 level of significance whether the androgen concentrations are altered after 30 minutes.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
a.
2.06 < 2.131. There is evidence that there is difference in mean circulating levels of androgen
b.
2.06 < 2.145. There is evidence that there is difference in mean circulating levels of androgen
c.
None among the choices
d.
2.06 < 2.145. There is no evidence that there is difference in mean circulating levels of androgen
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