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MCQs

Total Questions : 97 | Page 8 of 10 pages
Question 71. The difference between smallest observation in data set and largest observation in data set is classified as
  1.    positive uniformity
  2.    negative uniformity
  3.    range
  4.    average
 Discuss Question
Answer: Option C. -> range
Answer: (c).range
Question 72. For a given set of number of customers who visit a shoes shop in 5 consecutive days, the mean absolute deviation is 10 then standard deviation of data set is
  1.    2
  2.    10
  3.    12.5
  4.    50
 Discuss Question
Answer: Option C. -> 12.5
Answer: (c).12.5
Question 73. In statistics, the distance or dispersion from the central value is classified as
  1.    standard variance
  2.    sample variance
  3.    standard root
  4.    standard deviation
 Discuss Question
Answer: Option D. -> standard deviation
Answer: (d).standard deviation
Question 74. Considering the standard deviation, the quartile deviation is equal to
  1.    3⁄2 σ
  2.    2⁄3 σ
  3.    2μ⁄3 σ
  4.    4μ⁄3 σ
 Discuss Question
Answer: Option B. -> 2⁄3 σ
Answer: (b).2⁄3 σ
Question 75. The mean absolute deviation which is used as relative measure is called
  1.    coefficient of quartile range deviation
  2.    coefficient of mean absolute deviation
  3.    coefficient of mean deviation
  4.    coefficient of absolute quartile deviation
 Discuss Question
Answer: Option B. -> coefficient of mean absolute deviation
Answer: (b).coefficient of mean absolute deviation
Question 76. The number of emergency cases in hospital for five days are as 12, 15, 18, 16, 14 then variance of sample is
  1.    5
  2.    20
  3.    4
  4.    15
 Discuss Question
Answer: Option A. -> 5
Answer: (a).5
Question 77. Considering the sample rather than population, the standard deviation is thus denoted by
  1.    small s
  2.    capital s
  3.    Ω
  4.    σ
 Discuss Question
Answer: Option A. -> small s
Answer: (a).small s
Question 78. The inter quartile range and the coefficients of range are two categories of
  1.    average deviation measures
  2.    availability measures
  3.    average measures
  4.    distance measures
 Discuss Question
Answer: Option D. -> distance measures
Answer: (d).distance measures
Question 79. The average deviation measures and distance measures are classified as measures of dispersion on the basis of
  1.    relative processing
  2.    information compiled
  3.    data available
  4.    method employed
 Discuss Question
Answer: Option D. -> method employed
Answer: (d).method employed
Question 80. According to empirical rule, the standard deviation and mean interval that covers approximately 68.27% of data from a frequency distribution is
  1.    μ±σ
  2.    2μ±2σ
  3.    3μ±2σ
  4.    4μ±4σ
 Discuss Question
Answer: Option A. -> μ±σ
Answer: (a).μ±σ

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