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MCQs

Total Questions : 155 | Page 3 of 16 pages
Question 21. The sum of squared deviation is least from_________________?
  1.    Median
  2.    Mean
  3.    Mode
  4.    Standard Deviation
 Discuss Question
Answer: Option B. -> Mean
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 22. The mean of a constant “b” is_________________?
  1.    Zero
  2.    b
  3.    None
 Discuss Question
Answer: Option B. -> b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 23. The average of first n natural numbers is_______________?
  1.    n+12
  2.    n2
  3.    All of the above
  4.    None of these
 Discuss Question
Answer: Option A. -> n+12
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 24. Sum of deviations will be zero if it is taken from_________________?
  1.    Mean
  2.    Mode
  3.    Median
  4.    Standard Deviation
 Discuss Question
Answer: Option A. -> Mean
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 25. The mean of 10 numbers is 9, then sum of these numbers will be__________________?
  1.    9
  2.    0.9
  3.    70
  4.    90
 Discuss Question
Answer: Option D. -> 90
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 26. The degree of peakedness is called__________________?
  1.    Dispersion
  2.    Skewness
  3.    Symmetry
  4.    Kurtosis
 Discuss Question
Answer: Option D. -> Kurtosis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 27. Arithmetic mean of two positive numbers “X” and “Y” is_________________?
  1.    ab2
  2.    2a2
  3.    (a+b)/2
  4.    a−b2
  5.    2a+b
 Discuss Question
Answer: Option C. -> (a+b)/2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 28. If β2=m4m22
  1.    Normal
  2.    Mesokurtic
  3.    Leptokurtic
  4.    Platykurtic
 Discuss Question
Answer: Option D. -> Platykurtic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 29. The calculation of mean and variance is based on______________?
  1.    Small values only
  2.    Large values only
  3.    Extreme values only
  4.    All values
 Discuss Question
Answer: Option D. -> All values
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 30. For a certain distribution if ∑(x−2)=18,∑(x−24)=0,∑(x−28)=−24) then arithmetic mean is_______________?
  1.    21
  2.    24
  3.    28
  4.    0
 Discuss Question
Answer: Option B. -> 24
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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