Question 1 Researchers are studying which variables impacted survival of crew and passengers aboard the Titanic during its historic sinking. They fit a model of the form: log( Pour) = bo + b₁ Class2nd + b₂ Class3rd + b3 ClassCrew + b₁ Sex Female + b5 Age Adult Based on this model, an individual with a log-odds of survival equal to bo would represent (select all that apply) O Female O Male O1st class 2nd class 3rd class O Crew O Child Adult Question 2 Researchers are studying which variables impacted survival of crew and passengers aboard the Titanic during its historic sinking. They fit a model of the form: log 1-Puru = bo + b₁ Class2na b2 Class 3rd + b3 ClassCrew+b4 Sex Female + b5 Age Adult Psuru Researchers estimate a value of bo =0.581. Based on this, what is the probability of survival of the individual identified above? Your answer should be a percentage rounded to 2 decimal places. (IE: .12345 becomes 12.35)
Question 1 Researchers are studying which variables impacted survival of crew and passengers aboard the Titanic during its historic sinking. They fit a model of the form: log( Pour) = bo + b₁ Class2nd + b₂ Class3rd + b3 ClassCrew + b₁ Sex Female + b5 Age Adult Based on this model, an individual with a log-odds of survival equal to bo would represent (select all that apply) O Female O Male O1st class 2nd class 3rd class O Crew O Child Adult Question 2 Researchers are studying which variables impacted survival of crew and passengers aboard the Titanic during its historic sinking. They fit a model of the form: log 1-Puru = bo + b₁ Class2na b2 Class 3rd + b3 ClassCrew+b4 Sex Female + b5 Age Adult Psuru Researchers estimate a value of bo =0.581. Based on this, what is the probability of survival of the individual identified above? Your answer should be a percentage rounded to 2 decimal places. (IE: .12345 becomes 12.35)
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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Transcribed Image Text:Question 1
Researchers are studying which variables impacted survival of crew and passengers aboard
the Titanic during its historic sinking. They fit a model of the form:
log-Puru
Based on this model, an individual with a log-odds of survival equal to bo would represent
(select all that apply)
O Female
Male
O1st class
O2nd class
3rd class
O Crew
Child
O Adult
Question 2
= bo + bi Class2nd + b₂ Class 3rd + b3 ClassCrew+b4 SexFemale + b5 Age Adult
Researchers are studying which variables impacted survival of crew and passengers aboard
the Titanic during its historic sinking. They fit a model of the form:
log (1 = bo + b₁ Class2nd + b₂ Class3rd + b3 Class Crew+b4 Sex Female+ b5 Age Adult
Psuru
1-Psuru
Researchers estimate a value of ĥo=0.581. Based on this, what is the probability of survival
of the individual identified above?
Your answer should be a percentage rounded to 2 decimal places. (IE: .12345 becomes 12.35)

Transcribed Image Text:n
Question 3
Researchers are studying which variables impacted survival of crew and passengers aboard
the Titanic during its historic sinking. They fit a model of the form:
log (Por) = bo + b₁ Class2nd + b₂Class3rd + b3 ClassCrew + b₁ SerFemale +bş Age Adult
Researchers estimate a value of 64 -0.503. Based on this, what is the increase in the odds of
survival for a female passenger compared to a male passenger?
Your answer should be a percentage rounded to 2 decimal places. (IE: .12345 becomes 12.35)
(Hint: an odds ratio of 1.10 would indicate a 110% relative odds, and a 10% increase)
Question 4
Researchers are studying which variables impacted survival of crew and passengers aboard
the Titanic during its historic sinking. They fit a model of the form:
log(
(Peru) = bo + b₁ Class2nd + b₂ Class3rd + b3 ClassCrew + b4 Sex Female + b5 Age Adult
Researchers estimate a value of 12 =-0.308. Based on this, what is the decrease in the odds
of survival for a 3rd class passenger compared to a 1st class passenger?
Your answer should be a percentage rounded to 2 decimal places. (IE: .12345 becomes 12.35)
(Hint: an odds ratio of .90 would indicate a 90% relative odds, and a 10% decrease; your
answer should be a positive value)
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VIEWStep 2: Determine the individual with a log-odds of survival equal to (b_0) would represent
VIEWStep 3: Compute the probability of survival of the individual for the given intercept
VIEWStep 4: Determine the increase in the odds of survival
VIEWStep 5: Compute the decrease in the odds of survival for a 3rd class passenger
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