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MCQs

Total Questions : 60 | Page 3 of 6 pages
Question 21. Measures of precision are also known as ___________
  1.    Measures of central tendency
  2.    Measures of dispersion
  3.    Measures of accuracy
  4.    Measures of statistics
 Discuss Question
Answer: Option B. -> Measures of dispersion
Answer: (b).Measures of dispersion
Question 22. What is the mean deviation from the mean of the following observation:
9,9,2,3,6,9,4
  1.    2.50
  2.    2.62
  3.    2.40
  4.    2.57
 Discuss Question
Answer: Option D. -> 2.57
Answer: (d).2.57
Question 23. Find the range of the following observations:
1,2,4,7,8,13
  1.    11
  2.    12
  3.    13
  4.    14
 Discuss Question
Answer: Option B. -> 12
Answer: (b).12
Question 24. Given for an asymmetrical distribution, median=20, mean=22, what is the mode?
  1.    12
  2.    14
  3.    16
  4.    18
 Discuss Question
Answer: Option C. -> 16
Answer: (c).16
Question 25. For symmetrical distribution, mean=median=mode.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 26. If the standard deviation is zero, what comment can we make on the type of normal curve formed?
  1.    Data spread around the mean value is more
  2.    Data spread around the mean value is less
  3.    Data spread around the mean value is more in the negative x-axis only
  4.    No curve is formed
 Discuss Question
Answer: Option D. -> No curve is formed
Answer: (d).No curve is formed
Question 27. ‘Parameter’ is a true population estimated by a ‘statistic’ and is often unknown.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 28. There are two normal curves with the same mean value. The standard deviation of curve 1 is more than curve 2, what can we comment on the two normal curves?
  1.    Curve 1 is flatter than Curve 2
  2.    Curve 1 is peaked than Curve 2
  3.    Curve 1 is similar to Curve 2
  4.    Curve 1 and Curve 2 cannot be compared
 Discuss Question
Answer: Option A. -> Curve 1 is flatter than Curve 2
Answer: (a).Curve 1 is flatter than Curve 2
Question 29. Numerical data measured directly from a sample is known as _______
  1.    Sampling
  2.    Statistic
  3.    Population
  4.    Parameter
 Discuss Question
Answer: Option B. -> Statistic
Answer: (b).Statistic
Question 30. Which of the following is not a type of sampling technique?
  1.    Stratified sampling
  2.    Cluster sampling
  3.    Judgment sampling
  4.    Sample sampling
 Discuss Question
Answer: Option D. -> Sample sampling
Answer: (d).Sample sampling

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