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MCQs

Total Questions : 58 | Page 4 of 6 pages
Question 31. The method of calculating skewness which is based on the positions of quartiles and median in a distribution is called
  1.    Gary's coefficient of skewness
  2.    Sharma's coefficient of skewness
  3.    Bowley's coefficient of skewness
  4.    Jack Karl's coefficient of skewness
 Discuss Question
Answer: Option C. -> Bowley's coefficient of skewness
Answer: (c).Bowley's coefficient of skewness
Question 32. The moment about population mean which is expressed in standard units is denoted by
  1.    Latin letter beta
  2.    Greek letter gamma
  3.    Greek letter alpha
  4.    Greek letter beta
 Discuss Question
Answer: Option C. -> Greek letter alpha
Answer: (c).Greek letter alpha
Question 33. The convenient summarizing method which is used to describe the population characteristics rather than explaining samples of that population is classified as
  1.    unstable moments
  2.    stable moments
  3.    lower moments
  4.    higher moments
 Discuss Question
Answer: Option D. -> higher moments
Answer: (d).higher moments
Question 34. The moment about mean which is indication whether distribution is symmetrical or asymmetrical is considered as
  1.    first moment
  2.    third moment
  3.    second moment
  4.    fourth moment
 Discuss Question
Answer: Option B. -> third moment
Answer: (b).third moment
Question 35. The median of a moderately skewed distribution is 8, third quartile is 12, first quartile is 8 and inter-quartile range is 4 then relative coefficient of skewness is
  1.    ±8
  2.    ±1
  3.    ±9
  4.    ±11
 Discuss Question
Answer: Option B. -> ±1
Answer: (b).±1
Question 36. The kurtosis defines the peakness of the curve in the region which is
  1.    around the mode
  2.    around the mean
  3.    around the median
  4.    around the variance
 Discuss Question
Answer: Option A. -> around the mode
Answer: (a).around the mode
Question 37. In kurtosis, the beta is greater than three and quartile range is preferred for
  1.    mesokurtic distribution
  2.    mega curve distribution
  3.    leptokurtic distribution
  4.    platykurtic distribution
 Discuss Question
Answer: Option D. -> platykurtic distribution
Answer: (d).platykurtic distribution
Question 38. In measures of skewness, the absolute skewness is equal to
  1.    mean+mode
  2.    mean-mode
  3.    mean+median
  4.    mean-median
 Discuss Question
Answer: Option B. -> mean-mode
Answer: (b).mean-mode
Question 39. Considering the moments in standard units, the fourth alpha with power 1 is equivalent to
  1.    beta three
  2.    beta four
  3.    beta one
  4.    beta two
 Discuss Question
Answer: Option D. -> beta two
Answer: (d).beta two
Question 40. The frequency distribution is considered as negatively skewed if all the values of distribution moves to
  1.    lower tail
  2.    median tail
  3.    variance tail
  4.    upper tail
 Discuss Question
Answer: Option A. -> lower tail
Answer: (a).lower tail

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