A. Dispersion/ Variability
B. Measurement error
C. Random error
D. Instrument error
Related Mcqs:
- If the events have same chance of occurrence they are called:_______________?
A. Equally likely events
B. Exhaustive events
C. Mutually Exhaustive events
D. dependent events - The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?
A. 60.4%
B. 48.3%
C. 35.7%
D. 27.8% - _____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
A. Range
B. Standard Deviation
C. Coefficient of Variation
D. Mean Deviation - If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?
A. 100%
B. 25%
C. 20%
D. None of these - Coefficient of variation (C.V) is given below:_________________?
A. Mean/S.D.
B. S.D./Mean x 100
C. Mean/S.D. x 100
D. S.D./Mean - The lower and upper quartile of standard normal variation are respectively ?
A. µ+0.6745σ and µ-0.6745σ
B. -0.6745 and 0.6745
C. -0.7979 and 0.7979
D. -0.7979σ and 0.7979σ - The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?
A. Positively Skewed
B. Symmetrical
C. Asymptotic
D. Negatively Skewed - If the standard deviation of a population is 9, the population variance is_____________?
A. 9
B. 3
C. 21
D. 81 - The algebraic sum of deviations from mean is_____________?
A. Maximum
B. Zero
C. Minimum
D. Undefined - In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________?
A. 60
B. 90
C. 70
D. 100
