notes-shivam

end term mcqs

3 min read

  1. what is statistics ⇒ study, collection , analysis, interpretation and presentation of data
  2. which of the following is a type of data ⇒ Qualitative and Quantitative
  3. mean of the dataset {2,4,6,8,10} ⇒ 6
  4. which measure of central tendency is affected by extreme values ⇒ mean
  5. median of {1,3,5,7,9} ⇒ 5
  6. mode of {1,2,2,3,4} ⇒ 2
  7. in normal distribution ⇒ mean = mode = median
  8. what is the range of the dataset {3,7,9,15} ⇒ 12
  9. which of the following is a measure of dispersion ⇒ range
  10. the probability of an impossible event is ⇒ 0
  11. what is the standard deviation of the dataset {2,4,4,4,5,5,7,9} ⇒ 2
  12. A histogram is used to display ⇒ continuous data
  13. which is not a mode of central tendency ⇒ variance
  14. the range is calculated by ⇒ subtracting the smallest value of the dataset from the largest value
  15. middle value of an ordered data set is ⇒ median
  16. which of the following measures how spread out the values of the data set are ⇒ dispersion
  17. what type of graph is used to represent categorical data ⇒ pie chart
  18. variance is the square of the ⇒ standard deviation
  19. which of the following measures the strength and direction of a linear relation between two variables ⇒ correlation coefficient
  20. -1 ⇒ perfect negative correlation
  21. +1 ⇒ perfect positive correlation
  22. 0 ⇒ NO correlation
  23. main purpose of regression analysis ⇒ to predict the value of the dependent variable from the independent variable
  24. which of the following is used to describe categorical data ⇒ bar plot
  25. In statistics, a population refers ⇒ to the entire set of individuals of interest
  26. which measure is least sensitive to extreme values ⇒ median
  27. main characteristics of binomial experiment ⇒
    1. fixed number of trials
    2. two possible outcomes (thus, binomial)
    3. independent trials
  28. which of the following is a branch of statistics ⇒ both inferential and descriptive ⇒ production
  29. all wrong bc
  30. mode ⇒ 13
  31. median 11, 13,13,17,19,23,25 ⇒ 17
  32. mean of tossing 4 coins in the air ⇒ 2
  33. mean of 6,1,5,8,10 ⇒ 6
  34. geometric mean of 1,3,9,3 ⇒ 3
  35. variance of 3,9,5,6,7 ⇒ 4
  36. mean, mode and median of 5,8,12,17,12,14,6,8,12,10 ⇒ 10,12,11
  37. 5,5,6,7,9,10,13 ⇒ 8,5,7
  38. RANGE OF 7,47,8,42,47,95,42,96,2 ⇒ 94
  39. mean deviation bout mean for 7,47,8,42,47,95,42,96,3 ⇒ 27
  40. variance of 7,47,8,42,47,95,42,96,3 ⇒ 1024
  41. standard deviation ⇒ 31.9
  42. 99 -17 ⇒82
  43. median ⇒ 2 equal halves
  44. measure of dispersion ⇒ standard deviation
  45. mode ⇒most frequency
  46. mean ⇒ 5.2
  47. mode ⇒ 5
  48. stats ⇒ all

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