Examining Distribution - Univariate
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Mathematics & Statistics
Descriptive Statistics
Interview questions on Descriptive Statistics.
43 questions
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Examining Distribution - Univariate
Q2. State some methods for visualizing the numerical summaries of categorical data?
Examining Distribution - Univariate
Q3. State the difference between pie chart and bar chart?
Examining Distribution - Univariate
Q4. What are graphical methods to visualize the distribution of a quantitative variable?
Examining Distribution - Univariate
Q5. Define histogram?
Examining Distribution - Univariate
Q6. Write the steps of plotting histogram?
Examining Distribution - Univariate
Q7. How can we numerically summarize a distribution represented by histogram?
Examining Distribution - Univariate
Q8. What insights can be gained from examining the shape of a histogram?
Examining Distribution - Univariate
Q9. What is the difference between a unimodal, a bimodal and a multimodal histogram?
Examining Distribution - Univariate
Q10. State the modality of an uniform distribution?
Examining Distribution - Univariate
Q11. Under what conditions does a distribution become skewed to the right?
Examining Distribution - Univariate
Q12. What does right skewed histogram indicates about the dataset?
Examining Distribution - Univariate
Q13. Can you draw a right skewed histogram?
Examining Distribution - Univariate
Q14. State the relationship between mean, median and mode in case of skewed right distributions?
Examining Distribution - Univariate
Q15. State a real-life scenario of a distribution which is skewed right?
Examining Distribution - Univariate
Q16. Under what conditions does a distribution become skewed to the left?
Examining Distribution - Univariate
Q17. What does left skewed histogram indicates about the dataset?
Examining Distribution - Univariate
Q18. Can you draw a left skewed histogram?
Examining Distribution - Univariate
Q19. State the relationship between mean, median and mode in case of skewed left distributions?
Examining Distribution - Univariate
Q20. State the relationship between mean, median and mode in case of symmetric distributions?
Examining Distribution - Univariate
Q21. State a real-life scenario of a distribution which is skewed left?
Examining Distribution - Univariate
Q22. What is a stemplot? What are benefits of using it?
Examining Distribution - Univariate
Q23. State the main numerical measures of center of a quantitative variable distribution?
Examining Distribution - Univariate
Q24. What is mode of a distribution?
Examining Distribution - Univariate
Q25. What is mean of a distribution?
Examining Distribution - Univariate
Q26. What is median of a distribution?
Examining Distribution - Univariate
Q27. How can we calculate median of a distribution?
Examining Distribution - Univariate
Q28. How can we calculate median of a distribution? (Part 2)
Examining Distribution - Univariate
Q29. State the main difference between mean and median?
Examining Distribution - Univariate
Q30. How can we decide which measure should we choose as center of distribution?
Examining Distribution - Univariate
Q31. What are commonly used measures of spread?
Examining Distribution - Univariate
Q32. What do you mean by range of a distribution?
Examining Distribution - Univariate
Q33. What is IQR? How can we calculate it?
Examining Distribution - Univariate
Q34. Can we use IQR to detect outliers?
Examining Distribution - Univariate
Q35. How to deal with outliers in the data?
Examining Distribution - Univariate
Q36. What are the five-number summary statistics of a distribution?
Examining Distribution - Univariate
Q37. What is a box-plot?
Examining Distribution - Univariate
Q38. State one benefit of using box-plot?
Examining Distribution - Univariate
Q39. What does the standard deviation represent in a distribution?
Examining Distribution - Univariate
Q40. What is the benefit of using IQR over SD for measure of spread?
Examining Distribution - Univariate
Q41. Given the array $[1,5,3,2,4,4]$, find its mean, median, variance, and standard deviation.
Examining Distribution - Univariate
Q42. How do we determine which numerical summaries to use for describing a distribution?
Examining Distribution - Univariate