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MCQs

Total Questions : 97 | Page 2 of 10 pages
Question 11. If the arithmetic mean is 78 and coefficient of variation is 12.3% then the standard deviation is
  1.    10.594
  2.    9.594
  3.    8.59
  4.    11
 Discuss Question
Answer: Option B. -> 9.594
Answer: (b).9.594
Question 12. The value of first quartile is 23 and the inter quartile range is 20 then the value of third quartile is
  1.    63
  2.    53
  3.    43
  4.    73
 Discuss Question
Answer: Option C. -> 43
Answer: (c).43
Question 13. The measurement of inequality in wealth and income distribution is measured with the help of
  1.    measurement of bimodaling
  2.    measurement of outliers
  3.    measurement of uniformity
  4.    measurement of variability
 Discuss Question
Answer: Option D. -> measurement of variability
Answer: (d).measurement of variability
Question 14. The sum of observations is 12 and coefficient of absolute mean deviation is 18 then value of mean absolute deviation is
  1.    516
  2.    716
  3.    216
  4.    616
 Discuss Question
Answer: Option C. -> 216
Answer: (c).216
Question 15. The sum of squared deviation of sample mean is 48 and total number of observation is 13 then the population variance is
  1.    61
  2.    48
  3.    13
  4.    4
 Discuss Question
Answer: Option D. -> 4
Answer: (d).4
Question 16. The total revenue (in crores) of five leather goods companies are as two companies have revenues between 10-20, one company has revenue between 20-30 and one company has revenue between 30-40 then the standard deviation is
  1.    7.9
  2.    4.9
  3.    5.9
  4.    6.9
 Discuss Question
Answer: Option B. -> 4.9
Answer: (b).4.9
Question 17. The measures which considers the mean or median to calculate average deviation does not includes
  1.    mean absolute deviation
  2.    standard deviation
  3.    variance
  4.    median deviation
 Discuss Question
Answer: Option D. -> median deviation
Answer: (d).median deviation
Question 18. In the classes of grouped data such as 10-15, 16-20, 21-25, 26-30 with respective frequencies of each class as 3, 5, 4, 3 then the range is
  1.    5
  2.    6
  3.    15
  4.    20
 Discuss Question
Answer: Option B. -> 6
Answer: (b).6
Question 19. The variability measuring tool in which the standard deviation is divided by arithmetic mean and multiplied by 100 is classified as
  1.    coefficient of variation
  2.    coefficient of standard deviation
  3.    coefficient of deviation
  4.    coefficient of mean
 Discuss Question
Answer: Option A. -> coefficient of variation
Answer: (a).coefficient of variation
Question 20. Considering the set of values, the percentage of values that lies within three standard deviation of population plus population mean is
  1.    88.90%
  2.    78.90%
  3.    68.90%
  4.    98.90%
 Discuss Question
Answer: Option A. -> 88.90%
Answer: (a).88.90%

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