300 Final Exam Review Latest Questions With Complete Grade A Answers

Competitions' data {Ans: In data extraction process for an ETL tool, which of the following is not an example of legit data source?}Clustering {Ans: Which of the following is an example of unsupervised machine learning?}specified source database {Ans: Extract function in ETL reads data from}money {Ans: Regular consumption of organic food will keep you in a good mood. In this example, the confounder could be}square root of the variance {Ans: which of the following describes the standard deviation}$6900 {Ans: A manager wishes to predict the annual cost (y) of an automobile based on the number of miles (x) driven. The following model was developed: y = $1500 + 0.36x. If a car is driven 15000 miles in a year, the model predicts the annual cost of the car to be:}