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MCQs

Total Questions : 58 | Page 6 of 6 pages
Question 51. The statistical measures such as deciles, percentiles, median and quartiles are classified as part of
  1.    percentile system
  2.    quartile system
  3.    deciles system
  4.    moment system
 Discuss Question
Answer: Option A. -> percentile system
Answer: (a).percentile system
Question 52. For the ungrouped data in calculation of moments from mean, the formula to calculate this measure is
  1.    1⁄n Σ(x-mean)r
  2.    2⁄n Σ(x-mean)r
  3.    2⁄n Σ(x+mean)r
  4.    2⁄n Σ(x+mean)x
 Discuss Question
Answer: Option A. -> 1⁄n Σ(x-mean)r
Answer: (a).1⁄n Σ(x-mean)r
Question 53. The coefficient of skewness method in which the basis of measuring is deciles and percentiles is classified as
  1.    Gary's coefficient of skewness
  2.    Sharma's coefficient of skewness
  3.    Kelly's coefficient of skewness
  4.    Jack Karl's coefficient of skewness
 Discuss Question
Answer: Option C. -> Kelly's coefficient of skewness
Answer: (c).Kelly's coefficient of skewness
Question 54. The first quartile of data set is 12, third quartile of data set is 18 and median is 9 then the absolute skewness of the same data set is
  1.    18
  2.    12
  3.    9
  4.    15
 Discuss Question
Answer: Option B. -> 12
Answer: (b).12
Question 55. The distribution whose mode is not well defined and the classes of distribution are open ended uses the coefficient of skewness by
  1.    Karl Pearson
  2.    Professor Kelly
  3.    Professor Keller
  4.    Professor Bowley
 Discuss Question
Answer: Option D. -> Professor Bowley
Answer: (d).Professor Bowley
Question 56. The 90th percentile is 60, 50th percentile is 30 and 10th percentile is 40 then the coefficient of skewness is
  1.    ±30
  2.    ±2
  3.    ±8
  4.    ±4
 Discuss Question
Answer: Option B. -> ±2
Answer: (b).±2
Question 57. Considering the alpha and beta in moments, the measure of asymmetrical distribution is possible with
  1.    alpha three and beta one
  2.    alpha two and beta one
  3.    alpha three and beta four
  4.    alpha three and beta two
 Discuss Question
Answer: Option A. -> alpha three and beta one
Answer: (a).alpha three and beta one
Question 58. If the median is 18, coefficient of skewness is 6 and the mean is 30 then standard deviation of data is
  1.    6
  2.    18
  3.    30
  4.    36
 Discuss Question
Answer: Option A. -> 6
Answer: (a).6

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