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The Titanic data set contains information, whether passengers of the Titanic survived the shipwreck, based on their gender, age and passenger class. The following decision tree has been learned on this data. Which of the statements are true? a) Overall, 62% of the passengers in the data set died. b) A ‘new‘ passenger (female, 3rd class, 30 years old) is predicted to die in the shipwreck. c) 62% of the passengers in the data set are female. d) All male 3rd class passengers in the data set died.

The Titanic data set contains information, whether passengers of the Titanic survived the shipwreck, based on their gender, age and passenger class. The following decision tree has been learned on this data. Which of the statements are true? a) Overall, 62% of the passengers in the data set died. b) A ‘new‘ passenger (female, 3rd class, 30 years old) is predicted to die in the shipwreck. c) 62% of the passengers in the data set are female. d) All male 3rd class passengers in the data set died.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The Titanic data set contains information, whether passengers of the Titanic survived the shipwreck, based on their gender, age and passenger class. The following decision tree has been learned on this data. Which of the statements are true?

a) Overall, 62% of the passengers in the data set died.

b) A ‘new‘ passenger (female, 3rd class, 30 years old) is predicted to die in the shipwreck.

c) 62% of the passengers in the data set are female.

d) All male 3rd class passengers in the data set died.

 

 

died 0.38 100% no yes sex = male died 0.19 survived 0.73 36% 64% age >= 9.5 pclass = 3rd survived died 0.49 17% 0.58 3% pclass = 3rd age >= 1.5 died 0.17 61% died 0.38 2% survived 1.00 1% died 0.48 16% survived 0.86 1% survived 0.93 19%
Transcribed Image Text:died 0.38 100% no yes sex = male died 0.19 survived 0.73 36% 64% age >= 9.5 pclass = 3rd survived died 0.49 17% 0.58 3% pclass = 3rd age >= 1.5 died 0.17 61% died 0.38 2% survived 1.00 1% died 0.48 16% survived 0.86 1% survived 0.93 19%
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