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MCQs

Total Questions : 155 | Page 7 of 16 pages
Question 61. The measure of dispersion is changed by a change of_____________?
  1.    Origin
  2.    Scale
  3.    Algebraic Signs
  4.    None
 Discuss Question
Answer: Option B. -> Scale
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 62. The algebraic sum of deviations from mean is_____________?
  1.    Maximum
  2.    Zero
  3.    Minimum
  4.    Undefined
 Discuss Question
Answer: Option B. -> Zero
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 63. A measure of dispersion is always ________________?
  1.    Zero
  2.    Positive
  3.    Negative
  4.    Infinity
 Discuss Question
Answer: Option B. -> Positive
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 64. You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?
  1.    Descriptive statistics
  2.    Inferential Statistics
  3.    Parameter
  4.    Population
 Discuss Question
Answer: Option B. -> Inferential Statistics
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 65. Which of the following is not based on all the observations ?
  1.    Arithmetic Mean
  2.    Geometric Mean
  3.    Harmonic Mean
  4.    Weighted Mean
  5.    Mode
 Discuss Question
Answer: Option E. -> Mode
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 66. Which one of the following measurement does not divide a set of observations into equal parts ?
  1.    Quartiles
  2.    Standard Deviations
  3.    Percentiles
  4.    Deciles
  5.    Median
 Discuss Question
Answer: Option B. -> Standard Deviations
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 67. The height of a student is 60 inches. This is an example of________________?
  1.    Qualitative data
  2.    Categorical data
  3.    Continuous data
  4.    Discrete data
 Discuss Question
Answer: Option C. -> Continuous data
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 68. Which of these is a relative measure of dispersion_____________?
  1.    Standard Deviation
  2.    Variance
  3.    Coefficient of Variation
  4.    None of these
 Discuss Question
Answer: Option C. -> Coefficient of Variation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 69. The mean deviation of the values, 18, 12, 15 is____________?
  1.    6
  2.    Zero
  3.    3
  4.    2
 Discuss Question
Answer: Option D. -> 2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 70. In statistics, a sample means______________?
  1.    A portion of the sample
  2.    A portion of the population
  3.    all the items under investigation
  4.    none of the above
 Discuss Question
Answer: Option B. -> A portion of the population
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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