Stats Measures of Central Tendency MCQ Test 1

1. What does the term 'central limit theorem' state?

2. How is the Winsorized mean calculated?

3. How is the mode calculated for a continuous distribution?

4. How does the mean change when a new value significantly higher than the others is added to the dataset?

5. What does the coefficient of determination represent?

6. Which central tendency measure is not affected by outliers?

7. What is the formula for calculating the sample kurtosis?

8. In a leptokurtic distribution, how are the tails compared to a normal distribution?

9. How is the weighted mean calculated?

10. In a dataset with no repeated values, what is the relationship between the mean, median, and mode?

11. What is the purpose of calculating the coefficient of variation?

12. What is the formula for calculating the sample skewness?

13. What is the formula for calculating the mean absolute deviation?

14. How is the mode calculated for a grouped frequency distribution?

15. In a symmetrical distribution, which measure is equal to the median?

16. What is the formula for calculating the median of a grouped frequency distribution?

17. What is the formula for calculating the mode in a discrete distribution?

18. When is the median a better measure of central tendency than the mean?

19. If a dataset has an even number of values, how is the median calculated?

20. What is the formula for calculating the harmonic mean?

21. What is the mode of a dataset?

22. How is the weighted median calculated for grouped data?

23. What happens to the mean if an outlier is added to the dataset?

24. What does the term 'trimmed mean' refer to in statistics?

25. How does the median behave in a skewed distribution?

26. What does the term 'sampling distribution' represent in statistics?

27. How does the weighted mean behave when weights are equal for all values?

28. What does the mean represent in a dataset?

29. How is the harmonic mean calculated?

30. What is the purpose of the Levene's test in statistics?

31. What is the arithmetic mean of a set of numbers?

32. What does the term 'kurtosis' describe in a distribution?

33. In a positively skewed distribution, how does the mean compare to the median?

34. What is the formula for calculating the range of a dataset?

35. What is the formula for calculating the mode of a continuous distribution?

36. What is the purpose of the Lorenz curve in statistics?

37. In a positively skewed distribution, where is the mode in relation to the median?

38. What does the interquartile range represent?

39. In a negatively skewed distribution, where is the mean in relation to the median?

40. How is the median absolute deviation calculated?

41. In a normal distribution, what percentage of data falls within one standard deviation of the mean?

42. Which measure of central tendency is least affected by outliers?

43. Which central tendency measure is affected by extreme values?

44. What is the purpose of the Shapiro-Wilk test in statistics?

45. In a positively skewed distribution, where is the mean in relation to the median?

46. Define the mode in a statistical context.

47. What is the main purpose of the mean in statistics?

48. What does the mode indicate in a dataset?

49. What is the purpose of the median absolute deviation?

50. In a normal distribution, what percentage of data falls within two standard deviations of the mean?