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Author Question: Airline pilots face the risk of progressive hearing loss due to the noisy cockpits of most jet ... (Read 485 times)

washai

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on: Apr 14, 2020
Airline pilots face the risk of progressive hearing loss due to the noisy cockpits of most jet aircraft. Much of the noise comes from air roar which increases at high speeds rather than from the engines. The cockpit noise was measured to the left of the pilot's ear on 60 randomly selected flights of one type of aircraft. The computer output below shows the results from a regression model in which the noise level was predicted by the air speed. Assume the conditions of the linear regression model are satisfied.


Choose the correct null and alternative hypotheses to test whether there is a relationship between cockpit noise and air speed.
◦ H0: There is no relationship between cockpit noise and air speed.
Ha: There is a negative relationship between cockpit noise and air speed.
◦ H0: There is a relationship between cockpit noise and air speed.
Ha: There is no relationship between cockpit noise and air speed.
◦ H0: The correlation between cockpit noise and air speed is positive.
Ha: There is no correlation between cockpit noise and air speed.
◦ H0: There is no relationship between cockpit noise and air speed.
Ha: There is a relationship between cockpit noise and air speed.
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Marked as best answer by washai on Apr 14, 2020

Cheesycrackers

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Reply #1 on: Apr 14, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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washai

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Reply 2 on: Apr 14, 2020
Great answer, keep it coming :)

bulacsom

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Reply 3 on: Yesterday
Excellent

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