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MCQs

Total Questions : 49 | Page 1 of 5 pages
Question 1. Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
  1.    4
  2.    8
  3.    2
  4.    0
 Discuss Question
Answer: Option D. -> 0
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. If all values are same then the measure of dispersion will be?
  1.    1
  2.    0
  3.    Mean
  4.    Mode
  5.    Median
 Discuss Question
Answer: Option B. -> 0
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. Variance remains unchanged by change of_____________?
  1.    Origin
  2.    Scale
  3.    Both
  4.    None of these
 Discuss Question
Answer: Option A. -> Origin
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
  1.    20
  2.    0
  3.    2.5
  4.    0
 Discuss Question
Answer: Option C. -> 2.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?
  1.    8
  2.    3
  3.    24
  4.    None of these
 Discuss Question
Answer: Option C. -> 24
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
  1.    0
  2.    2.58
  3.    4.66
  4.    2.33
 Discuss Question
Answer: Option B. -> 2.58
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. Lowest value of variance can be____________?
  1.    1
  2.    -1
  3.    3
  4.    0
 Discuss Question
Answer: Option D. -> 0
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. 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 9. The sum of absolute deviations from median is _____?
  1.    Zero
  2.    Positive
  3.    Least
  4.    None of these
 Discuss Question
Answer: Option C. -> Least
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. The shape of the symmetrical distribution is _______?
  1.    U- Shaped
  2.    J- Shaped
  3.    Bell- Shaped
  4.    None of these
 Discuss Question
Answer: Option C. -> Bell- Shaped
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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