Revision Questions

RevisionQuestions:

1. What is PDF?

2. What is CDF?

3. explain about 1-std-dev, 2-std-dev, 3-std-dev range?

4. What is Symmetric distribution, Skewnessand Kurtosis?

5. Howto do Standard normal variate(z)and standardization?

6. What is Kernel density estimation?

7. Importance ofSampling distribution&CentralLimit theorem.

8. Importance ofQ-Q Plot:Isa given randomvariable Gaussian distributed?

9. What is UniformDistribution and randomnumber generators

10. What Discreteand Continuous Uniformdistributions?

11. Howto randomly sample data points?

12. Explain about Bernoulliand Binomial distribution?

13. What is Log-normal and power lawdistribution?

14. What is Power-law&Pareto distributions:PDF,examples

15. Explain about Box-Cox/Power transform?

16. What is Co-variance?

17. Importance ofPearsonCorrelationCoefficient?

18. Importance SpearmanRank CorrelationCoefficient?

19. Correlation vs Causation?

20. What is ConfidenceIntervals?

21. ConfidenceInterval vs Pointestimate?

22. Explain about Hypothesis testing?

23. Define Hypothesis Testingmethodology, Null-hypothesis, test-statistic, p-value?

24. Howto do K-S Test for similarity oftwo distributions?