Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 4 Days Ago
Questions Answered: 66690
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 19 Sep 2017 My Price 8.00

Medical Physiology

Scuba Diving: Depth What is the optimal amount of time for a scuba diver to be on the bottom of the ocean? That depends on the depth of the dive. The U.S. Navy has done a lot of research on this topic. The Navy defines the “optimal time” to be the time at each depth for the best balance between length of work period and decompression time after surfacing. Let x = depth of dive in meters, and let y = optimal time in hours. A random sample of divers gave the following data (based on information taken from Medical Physiology by A. C. Guyton, M.D.).

x

14.1

24.3

30.2

38.3

51.3

20.5

22.7

y

2.58

2.08

1.58

1.03

0.75

2.38

2.2

(a) Verify that Σx = 201.4, Σy = 12.6, Σx2= 6734.46, Σy2= 25.607, Σxy = 311.292, and r ≈ -0.976.

(b) Use a 1% level of significance to test the claim that ρ < 0.

(c) Verify that Se ≈ 0.1660, a ≈ 3.366, and b ≈ -0.0544.

(d) Find the predicted optimal time in hours for a dive depth of x = 18meters.

(e) Find an 80% confidence interval for y when x = 18meters.

(f) Use a 1% level of significance to test the claim that β < 0.

(g) Find a 90% confidence interval for b and interpret its meaning.

Answers

Maurice Tutor
(5)
Status NEW Posted 19 Sep 2017 12:09 PM My Price 8.00

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