Measures of Dispersion MCQ Multiple Choice Questions

Q: 33. The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:

Correct Answer is: Mesokurtic or normal

Q: 36. The measurements of spread or scatter of the individual values around the central point is called:

Correct Answer is: Measures of dispersion

Q: 37. The measures used to calculate the variation present among the observations in the unit of the variable is called:

Correct Answer is: Absolute measures of dispersion

Q: 38. The measures used to calculate the variation present among the observations relative to their average is called:

Correct Answer is: Relative measures of dispersion

Q: 43. Given below the four sets of observations. Which set has the minimum variation?

Correct Answer is: 48, 49, 50, 51, 52

Q: 44. Which of the following is an absolute measure of dispersion?

Correct Answer is: Standard deviation

31. In a symmetrical distribution Q1 = 20 and median= 30. The value of Q3 is:

50
35
40
25

32. The degree of peaked ness or flatness of a unimodel distribution is called:

Skewness
Symmetry
Dispersion
Kurtosis

33. The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:

Leptokurtic
Platykurtic
Mesokurtic or normal
Positively skewed

34. In a mesokurtic or normal distribution, μ4 = 243. The standard deviation is:

81
27
9
3

35. The scatter in a series of values about the average is called:

Central tendency
Dispersion
Skewness
Symmetry

36. The measurements of spread or scatter of the individual values around the central point is called:

Measures of dispersion
Measures of central tendency
Measures of skewness
Measures of kurtosis

37. The measures used to calculate the variation present among the observations in the unit of the variable is called:

Relative measures of dispersion
Coefficient of skewness
Absolute measures of dispersion
Coefficient of variation

38. The measures used to calculate the variation present among the observations relative to their average is called:

Coefficient of kurtosis
Absolute measures of dispersion
Quartile deviation
Relative measures of dispersion

39. The degree to which numerical data tend to spread about an average value called:

Constant
Flatness
Variation
Skewness

40. The measures of dispersion can never be:

Positive
Zero
Negative
Equal to 2

41. If all the scores on examination cluster around the mean, the dispersion is said to be:

Small
Large
Normal
Symmetrical

42. If there are many extreme scores on all examination, the dispersion is:

Large
Small
Normal
Symmetric

43. Given below the four sets of observations. Which set has the minimum variation?

46, 48, 50, 52, 54
30, 40, 50, 60, 70
40, 50, 60, 70, 80
48, 49, 50, 51, 52

44. Which of the following is an absolute measure of dispersion?

Coefficient of variation
Coefficient of dispersion
Standard deviation
Coefficient of skewness

45. The measure of dispersion which uses only two observations is called:

Mean
Median
Range
Coefficient of variation

46. The measure of dispersion which uses only two observations is called:

Range
Quartile deviation
Mean deviation
Standard deviation

47. In quality control of manufactured items, the most common measure of dispersion is:

Range
Average deviation
Standard deviation
Quartile deviation

48. The range of the scores 29, 3, 143, 27, 99 is:

140
143
146
70

49. If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:

-48
40
-40
48

50. The range of the values -5, -8, -10, 0, 6, 10 is:

10
-10
20

51. If Y = aX ± b, where a and b are any two numbers and a ≠ 0, then the range of Y values will be:

Range(X)
a range(X) + b
a range(X) – b
|a| range(X)

52. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:

10
15
25
35

53. Half of the difference between upper and lower quartiles is called:

Interquartile range
Quartile deviation
Mean deviation
Standard deviation

54. If Q3=20 and Q1=10, the coefficient of quartile deviation is:

3
(1/3)
(2/3)
1

55. Which measure of dispersion can be computed in case of open-end classes?

Standard deviation
Range
Quartile deviation
Coefficient of variation

56. If Y = aX ± b, where a and b are any two constants and a ≠ 0, then the quartile deviation of Y values is equal to:

a Q.D(X) + b
|a| Q.D(X)
Q.D(X) – b
|b| Q.D(X)

57. The sum of absolute deviations is minimum if these deviations are taken from the:

Mean
Mode
Median
Upper quartile

58. The mean deviation is minimum when deviations are taken from:

Mean
Mode
Median
Zero

59. If Y = aX ± b, where a and b are any two numbers but a ≠ 0, then M.D(Y) is equal to:

M.D(X)
M.D(X) ± b
|a| M.D(X)
M.D(Y) + M.D(X)

60. The mean deviation of the scores 12, 15, 18 is:

6
3
2

Measures of Dispersion MCQ Multiple Choice Questions - Page 2 for Practice

31. In a symmetrical distribution Q1 = 20 and median= 30. The value of Q3 is:

32. The degree of peaked ness or flatness of a unimodel distribution is called:

33. The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:

34. In a mesokurtic or normal distribution, μ4 = 243. The standard deviation is:

35. The scatter in a series of values about the average is called:

36. The measurements of spread or scatter of the individual values around the central point is called:

37. The measures used to calculate the variation present among the observations in the unit of the variable is called:

38. The measures used to calculate the variation present among the observations relative to their average is called:

39. The degree to which numerical data tend to spread about an average value called:

40. The measures of dispersion can never be:

41. If all the scores on examination cluster around the mean, the dispersion is said to be:

42. If there are many extreme scores on all examination, the dispersion is:

43. Given below the four sets of observations. Which set has the minimum variation?

44. Which of the following is an absolute measure of dispersion?

45. The measure of dispersion which uses only two observations is called:

46. The measure of dispersion which uses only two observations is called:

47. In quality control of manufactured items, the most common measure of dispersion is:

48. The range of the scores 29, 3, 143, 27, 99 is:

49. If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:

50. The range of the values -5, -8, -10, 0, 6, 10 is:

51. If Y = aX ± b, where a and b are any two numbers and a ≠ 0, then the range of Y values will be:

52. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:

53. Half of the difference between upper and lower quartiles is called:

54. If Q3=20 and Q1=10, the coefficient of quartile deviation is:

55. Which measure of dispersion can be computed in case of open-end classes?

56. If Y = aX ± b, where a and b are any two constants and a ≠ 0, then the quartile deviation of Y values is equal to:

57. The sum of absolute deviations is minimum if these deviations are taken from the:

58. The mean deviation is minimum when deviations are taken from:

59. If Y = aX ± b, where a and b are any two numbers but a ≠ 0, then M.D(Y) is equal to:

60. The mean deviation of the scores 12, 15, 18 is:

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Measures of Dispersion MCQ Multiple Choice Questions - Page 2 for Practice

31. In a symmetrical distribution Q1 = 20 and median= 30. The value of Q3 is:

32. The degree of peaked ness or flatness of a unimodel distribution is called:

33. The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:

34. In a mesokurtic or normal distribution, μ4 = 243. The standard deviation is:

35. The scatter in a series of values about the average is called:

36. The measurements of spread or scatter of the individual values around the central point is called:

37. The measures used to calculate the variation present among the observations in the unit of the variable is called:

38. The measures used to calculate the variation present among the observations relative to their average is called:

39. The degree to which numerical data tend to spread about an average value called:

40. The measures of dispersion can never be:

41. If all the scores on examination cluster around the mean, the dispersion is said to be:

42. If there are many extreme scores on all examination, the dispersion is:

43. Given below the four sets of observations. Which set has the minimum variation?

44. Which of the following is an absolute measure of dispersion?

45. The measure of dispersion which uses only two observations is called:

46. The measure of dispersion which uses only two observations is called:

47. In quality control of manufactured items, the most common measure of dispersion is:

48. The range of the scores 29, 3, 143, 27, 99 is:

49. If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:

50. The range of the values -5, -8, -10, 0, 6, 10 is:

51. If Y = aX ± b, where a and b are any two numbers and a ≠ 0, then the range of Y values will be:

52. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:

53. Half of the difference between upper and lower quartiles is called:

54. If Q3=20 and Q1=10, the coefficient of quartile deviation is:

55. Which measure of dispersion can be computed in case of open-end classes?

56. If Y = aX ± b, where a and b are any two constants and a ≠ 0, then the quartile deviation of Y values is equal to:

57. The sum of absolute deviations is minimum if these deviations are taken from the:

58. The mean deviation is minimum when deviations are taken from:

59. If Y = aX ± b, where a and b are any two numbers but a ≠ 0, then M.D(Y) is equal to:

60. The mean deviation of the scores 12, 15, 18 is:

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