A. Mean
B. Dispersion
C. Manner
D. Central value
Related Mcqs:
- suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be_________?
A. 50
B. 70
C. 50/20
D. 50-20=30 - If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?
A. Only when the sample size is at least 100.
B. Only when the sample size is smaller than 30
C. Always
D. Only when the sample size is at least 30. - In a frequency distribution the last cumulative frequency is 300, Median shall lie in____________?
A. 140th item
B. 130th item
C. 160th item
D. 150th item - In a frequency distribution the last cumulative frequency is 500. Q3 must lie in_____________?
A. 275th item
B. 375th item
C. 150th item
D. 175th item - __________ of the distribution which is measured relative to the distribution known as Normal?
A. Skewed
B. Flatness
C. Normal
D. Moment - If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?
A. Leptokurtic
B. Pyrokurtic
C. Platykurtic
D. Mesokurtic - If a distribution has two modes then this distribution is called______________?
A. Uni-Modal
B. Bi-Modal
C. Tri-Modal
D. Multi-Modal
E. None of these - In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?
A. 60
B. 12
C. 4.8
D. 0 - if in a binomial probability distribution mean and variance are 6 and 2.4 respectively, then the parameters of this distribution are:____________________?
A. n = 10, p = 6/10
B. n = 50, p = 6/50
C. n = 10, p = 3/5
D. n = 10, p = 2/5 - Every distribution tends to ____ distribution?
A. Small
B. ∞
C. Large
D. Finite
