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MCQs

Total Questions : 97 | Page 7 of 10 pages
Question 61. The measuring theorem which helps in determining proportion of observations for specific interval of mean and standard deviation is classified as
  1.    Pearson Theorem
  2.    Chebyshev's Theorem
  3.    sampling theorem
  4.    population theorem
 Discuss Question
Answer: Option B. -> Chebyshev's Theorem
Answer: (b).Chebyshev's Theorem
Question 62. The measure of variation which is useful for highly skewed distribution is
  1.    inter quartile deviation
  2.    quartile deviation
  3.    inter quartile range
  4.    quartile range
 Discuss Question
Answer: Option B. -> quartile deviation
Answer: (b).quartile deviation
Question 63. The sum of highest and lowest value is 80 and the coefficient of range is 0.625 then the difference between highest and lowest value is
  1.    70
  2.    100
  3.    150
  4.    50
 Discuss Question
Answer: Option D. -> 50
Answer: (d).50
Question 64. Considering the individual values of data set, the actual mean must always be
  1.    1
  2.    −1
  3.    0
  4.    2
 Discuss Question
Answer: Option C. -> 0
Answer: (c).0
Question 65. Considering the set of observations, the percentage of values that lies within population mean plus two standard deviations is
  1.    60%
  2.    55%
  3.    75%
  4.    85%
 Discuss Question
Answer: Option C. -> 75%
Answer: (c).75%
Question 66. The shape of frequency distribution constructed in consideration of empirical rule is classified as
  1.    bell shaped
  2.    tower shape
  3.    wing shape
  4.    fish shape
 Discuss Question
Answer: Option A. -> bell shaped
Answer: (a).bell shaped
Question 67. The output of 15 workers in hand made leather shoes company is as 50, 65, 70, 55, 62, 74, 75, 65, 70, 78, 79, 80, 68, 72, 67 then the range is
  1.    30
  2.    80
  3.    75
  4.    79
 Discuss Question
Answer: Option A. -> 30
Answer: (a).30
Question 68. If the scatter or dispersion in the distribution is high on each side then this indicates
  1.    outliers of data
  2.    low uniformity of data
  3.    high uniformity of data
  4.    dispersion of data
 Discuss Question
Answer: Option B. -> low uniformity of data
Answer: (b).low uniformity of data
Question 69. According to empirical rule, the mean and standard deviation interval that covers approximately 95.45% of data from a frequency distribution is
  1.    μ±σ
  2.    2μ±2σ
  3.    3μ±2σ
  4.    μ±2σ
 Discuss Question
Answer: Option D. -> μ±2σ
Answer: (d).μ±2σ
Question 70. The technique used in measures of variations to show the direction of variation in set of observations is classified as
  1.    measures of dispersion
  2.    measures of statistics
  3.    measures of skewness
  4.    measures of process
 Discuss Question
Answer: Option C. -> measures of skewness
Answer: (c).measures of skewness

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