dk 3 sample exams need to solve with full explanation so this assignment is DATA science subject...

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dk 3 sample exams need to solve with full explanation so this assignment is DATA science subject plus mostly math part. in some questions you need to circle which is right questions but whichever is wrong also explain why is wrong where we can use according whatever question asked here are some sample exams its not too much work,
this is sample test my prof told me I allow to take open books so i can slove this and take with me in exam plus this some questions is multiple questions for that you have to circle it but not right answers you need to explain too those kind questions coming to my exam so i need full explanation and right answers mostly math work included

final-exam-cs-301-fall2020-cfurqjhy.docx sample-final-exam-fall-2022-o01ktycw.docx sample-final-exam-spring2021-msahhk2i.docx

Banasree · Accepted Answer

Final Exam – CS 301 
(Time 3 hours)
Fall 2020 
Total points -50 
Name………………………………………………………………………………
1. Multiple Choice/ Single Answer Questions. No need to show your work. For some questions, there may be more than one correct answer. You have to select all that applies. (1+1+2+1+1+2+2=10)
a. Which one is subjectively most interesting?
i. An association rule that has reasonably high support but low confidence.
ii. A rule that has low support and low confidence.
iii. A rule that has low support and high confidence.
Ans. i)
b. Suppose the confidence of the rules A → B  and B → C are larger than some threshold, minconf . Is it possible that A → C has a confidence less than minconf ?
i. Yes
ii. No
Ans. Yes
c. The training error on an unpruned decision tree is 80% while the error rate on each bootstrap sample is close to 60%.  What is the error estimate of 0.632 bootstrap?
Ans. 0.673
d. Chose the incorrect one - A continuous attribute could be discretized using. 
i. Binning
ii. Clustering
iii. Rule discovery
Ans. iii)
e. Which one has the highest entropy?
i. A fair coin
ii. An unfair coin
iii.

dk 3 sample exams need to solve with full explanation so this assignment is DATA science subject plus mostly math part. in some questions you need to circle which is right questions but whichever is...

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