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statistic_questions.md

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  1. What is a histogram
  2. What percentage of a normal curve falls into μ +- 2σ
  3. What are the population parameters and estimated parameters ?
  4. How to calculate the sample mean and sample standard deviation ?
  5. What are the possible outputs in hypothesis testing ?
  6. What is alternative hypothesis ?
  7. How many alternative could there be ?
  8. What does it say if the p-value is closer to zero ?
  9. How to calculate the p-value ?
  10. What is a p-hacking ?
  11. What is false discovery rate ?
  12. What is degrees of freedom ?
  13. How do you calculate the correlation coefficient between two variables ?
  14. What is central limit theorem
  15. What is sampling distribution ?
  16. What is the difference of data distribution and sampling distribution and sample distribution ?
  17. What is standard error ?
  18. What is the bootstrap ?
  19. Explain boxplot
  20. What is the difference between a random variable and a variable ?