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MCQs

Total Questions : 155 | Page 1 of 16 pages
Question 1. If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?
  1.    8
  2.    10
  3.    6
  4.    12
 Discuss Question
Answer: Option B. -> 10
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________?
  1.    60
  2.    90
  3.    70
  4.    100
 Discuss Question
Answer: Option C. -> 70
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The Harmonic Mean of any two numbers is________________?
  1.    a+b2
  2.    2aba+b
  3.    ab−−√
  4.    a+b
 Discuss Question
Answer: Option B. -> 2aba+b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. If a distribution has two modes then this distribution is called______________?
  1.    Uni-Modal
  2.    Bi-Modal
  3.    Tri-Modal
  4.    Multi-Modal
 Discuss Question
Answer: Option B. -> Bi-Modal
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. A contractor employs 20 male, 15 female and 5 children in his factory. Male wages are Rs. 10 per day, female Rs. 8 per day, and children Rs. 3 per day. The weighted x of wages paid per day will be_____________?
  1.    3.86
  2.    8.37
  3.    9.21
  4.    10.63
 Discuss Question
Answer: Option B. -> 8.37
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. Which of the following Measure of averages is affected by extreme (very small or very largE. values in data set?
  1.    Geometric Mean
  2.    Median
  3.    Arithmetic Mean
  4.    Harmonic Mean
  5.    Mode
 Discuss Question
Answer: Option C. -> Arithmetic Mean
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. Which of the following Measure of Averages is not based on all the values given in the data set?
  1.    Arithmetic Mean
  2.    Geometric Mean
  3.    Median
  4.    Mode
  5.    Both C. and D.
 Discuss Question
Answer: Option E. -> Both C. and D.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The Geometric Mean of -2, 4, 03, 6, 0 will be______________?
  1.    -3
  2.    0
  3.    3
  4.    Cannot be Computed
  5.    None of these
 Discuss Question
Answer: Option D. -> Cannot be Computed
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. Geometric means of X1 and X2 is________________?
  1.    X1+X2
  2.    X1+X2x
  3.    X1+X2−−−−−−−√
  4.    X1×X2−−−−−−−√
  5.    X1−−−√+X2−−−√
 Discuss Question
Answer: Option D. -> X1×X2−−−−−−−√
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?
  1.    5%
  2.    10%
  3.    No Change
  4.    110%
  5.    90%
 Discuss Question
Answer: Option B. -> 10%
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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