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MCQs

Total Questions : 97 | Page 9 of 10 pages
Question 81. If the scatter or dispersion in the distribution is less on each side then this indicates
  1.    high uniformity of data
  2.    dispersion of data
  3.    outliers of data
  4.    low uniformity of data
 Discuss Question
Answer: Option A. -> high uniformity of data
Answer: (a).high uniformity of data
Question 82. The arithmetic mean is multiplied to the coefficient of mean absolute deviation to calculate the
  1.    absolute mean deviation
  2.    absolute median deviation
  3.    relative mean deviation
  4.    relative median deviation
 Discuss Question
Answer: Option A. -> absolute mean deviation
Answer: (a).absolute mean deviation
Question 83. If the value of first quartile is 49 and the value of third quartile is 60 then value of inter quartile range is
  1.    21
  2.    31
  3.    11
  4.    41
 Discuss Question
Answer: Option C. -> 11
Answer: (c).11
Question 84. If total sum of square is 20 and the sample variance is 5 then total number of observations are
  1.    15
  2.    25
  3.    4
  4.    35
 Discuss Question
Answer: Option C. -> 4
Answer: (c).4
Question 85. If the set of observations is 11, 13, 15, 12, 16, 18, 19, 14, 20, 17 and absolute mean deviation is 12 then the percentage of coefficient of mean absolute deviation is
  1.    47.41%
  2.    57.41%
  3.    67.41%
  4.    77.41%
 Discuss Question
Answer: Option D. -> 77.41%
Answer: (d).77.41%
Question 86. The mean of squared deviations which is calculated from arithmetic mean is called
  1.    mean square average
  2.    standard square average
  3.    population average
  4.    sample square average
 Discuss Question
Answer: Option A. -> mean square average
Answer: (a).mean square average
Question 87. The variability which is defined as the difference between third and first quartile is considered as
  1.    quartile range
  2.    deciles range
  3.    percentile range
  4.    inter quartile range
 Discuss Question
Answer: Option D. -> inter quartile range
Answer: (d).inter quartile range
Question 88. Considering the sales, the coefficient of variation for product X is 9.3% and the coefficient of variation for product Y is 8.9% then sales fluctuation of
  1.    product X is higher
  2.    product Y is higher
  3.    product X is lower
  4.    product X and Y is lower
 Discuss Question
Answer: Option A. -> product X is higher
Answer: (a).product X is higher
Question 89. Considering the standard deviation, the mean absolute deviation is equal to
  1.    5⁄4σ
  2.    5⁄8σ
  3.    4⁄5σ
  4.    7⁄8σ
 Discuss Question
Answer: Option C. -> 4⁄5σ
Answer: (c).4⁄5σ
Question 90. In manufacturing company, the number of employees in unit A is 40, the mean is USD $6400 and the number of employees in unit B is 30 with the mean of Rs. 5500 then the combined arithmetic mean is
  1.    9500
  2.    8000
  3.    7014.29
  4.    6014.29
 Discuss Question
Answer: Option D. -> 6014.29
Answer: (d).6014.29

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