11. Which of the following statement is true?

1. The nature of our business problem determines how outliers are used
2. Outliers is a data point that is significantly close to other data points
3. Outliers should be identified and removed always from a dataset
4. Outliers can never be present in the testing dataset

12. Which of the following function gives information about top-level data?

1. tail
2. summary
3. head
4. None of the above

13. Which of the following approach should be used if someone can’t fix the variable?

1. Non-stratify it
2. Randomize it
3. Generalize it
4. None of the above

14. Which of the following is good way of performing experiments in data science ?

1. Measure variability
2. Generalize to the problem
3. Have Replication
4. All of the above

15. Which of the following technique comes under practical machine learning ?

1. Bagging
2. Forecasting
3. Boosting
4. None of the above

Python Basics MCQ Questions And Answers

16. CNN is mostly used for which type of data

1. Structured Data
2. Unstructured Data
3. Both Structured and Unstructured
4. None of the above

17. Which of the following transforms can be performed with data value?

1. log10
2. cos
3. log2
4. All of the above

18. Which of the following SGD variants is based on both momentum and adaptive learning?

1. Adagrad
2. RMSprop
3. Adam
4. Nesterov

19. What is the work of a Data Architect?

1. Utilize large data sets to gather information that meets their company’s needs
2. Work with businesses to determine the best usage of the information yielded from data
3. Build data solutions that are optimized for performance and design applications
4. All of the above

20. A perfect negative correlation is signified by ____________

1. 1
2. -1
3. 2
4. 0