Aviation and high-altitude physiology is a specialty in the study of medicine. Let x = partial pressure of oxygen in the alveoli (aircells in the lungs) when breathing naturally available air. Let y = partial pressure when breathing pure oxygen. The (x, y) datapairs correspond to elevations from 10,000 feet to 30,000 feet in 5000 foot intervals for a random sample of volunteers. Althoughthe medical data were collected using airplanes, they apply equally well to Mt. Everest climbers (summit 29,028 feet).(units: mm Hg/10)(units: mm Hg/10)х 6.74.94.23.32.142.231.726.216.213.9(a) Verify that Ex = 21.2, Ey = 130.2, Ex? = 101.84, Ey? = 3927.82, Exy = 630.76, and r= 0.982.ExEyEx?Ey2Exy(b) Use a 10% level of significance to test the claim that p 0. (Use 2 decimal places.)critical tConclusionO Reject the null hypothesis, there is sufficient evidence that p 0.O Reject the null hypothesis, there is insufficient evidence that p 0.Fail to reject the null hypothesis, there is insufficient evidence that p 0.O Fail to reject the null hypothesis, there is sufficient evidence that p 0.(c) Verify that S, 2.5193, a = -1.883, and b= 6.586.S.ab(d) Find the predicted pressure when breathing pure oxygen if the pressure from breathing available air is x = 4.7. (Use 2decimal places.)(e) Find a 99% confidence interval for y when x = 4.7. (Use 1 decimal place.)lower limitupper limit(f) Use a 10% level of significance to test the claim that B 0. (Use 2 decimal places.)tcritical tConclusionO Reject the null hypothesis, there is sufficient evidence that 0.O Reject the null hypothesis, there is insufficient evidence that B 0.O Fail to reject the null hypothesis, there is insufficient evidence that 6 0.Fail to reject the null hypothesis, there is sufficient evidence that B 0.(g) Find a 99% confidence interval for ß and interpret its meaning. (Use 2 decimal places.)lower limitupper limitInterpretationO For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen increases by an amount that falls outside the confidence interval.O For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen increases by an amount that falls within the confidence interval.O For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen decreases by an amount that falls outside the confidence interval.O For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen decreases by an amount that falls within the confidence interval.

Question

Aviation and high-altitude physiology is a specialty in the study of medicine. Let x = partial pressure of oxygen in the alveoli (aircells in the lungs) when breathing naturally available air. Let y = partial pressure when breathing pure oxygen. The (x, y) datapairs correspond to elevations from 10,000 feet to 30,000 feet in 5000 foot intervals for a random sample of volunteers. Althoughthe medical data were collected using airplanes, they apply equally well to Mt. Everest climbers (summit 29,028 feet).(units: mm Hg/10)(units: mm Hg/10)х 6.74.94.23.32.142.231.726.216.213.9(a) Verify that Ex = 21.2, Ey = 130.2, Ex? = 101.84, Ey? = 3927.82, Exy = 630.76, and r= 0.982.ExEyEx?Ey2Exy(b) Use a 10% level of significance to test the claim that p > 0. (Use 2 decimal places.)critical tConclusionO Reject the null hypothesis, there is sufficient evidence that p > 0.O Reject the null hypothesis, there is insufficient evidence that p > 0.Fail to reject the null hypothesis, there is insufficient evidence that p > 0.O Fail to reject the null hypothesis, there is sufficient evidence that p > 0.(c) Verify that S, 2.5193, a = -1.883, and b= 6.586.S.ab(d) Find the predicted pressure when breathing pure oxygen if the pressure from breathing available air is x = 4.7. (Use 2decimal places.)(e) Find a 99% confidence interval for y when x = 4.7. (Use 1 decimal place.)lower limitupper limit(f) Use a 10% level of significance to test the claim that B> 0. (Use 2 decimal places.)tcritical tConclusionO Reject the null hypothesis, there is sufficient evidence that > 0.O Reject the null hypothesis, there is insufficient evidence that B > 0.O Fail to reject the null hypothesis, there is insufficient evidence that 6 > 0.Fail to reject the null hypothesis, there is sufficient evidence that B > 0.(g) Find a 99% confidence interval for ß and interpret its meaning. (Use 2 decimal places.)lower limitupper limitInterpretationO For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen increases by an amount that falls outside the confidence interval.O For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen increases by an amount that falls within the confidence interval.O For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen decreases by an amount that falls outside the confidence interval.O For a one-unit increase in oxygen pressure breathing only available air, the oxygen pressure breathing pureoxygen decreases by an amount that falls within the confidence interval.

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