A. Uni-Modal
B. Bi-Modal
C. Tri-Modal
D. Multi-Modal
E. None of these
Related Mcqs:
- A distribution is called _____ distribution if it has two modes?
A. Uni-modal
B. Bi-model
C. Tri-modal
D. None of these - 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. - If β2=m4m22<3, the distribution is called______________?
A. Normal
B. Mesokurtic
C. Leptokurtic
D. Platykurtic - If the conditional distribution of X1,X2,…..Xn given S=s, does not depends on θ, for any value of S=s the statistics S=s(X1,X2,…..Xn) is called______________?
A. Unbiased
B. Sufficient
C. Consistent
D. Efficient - 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 a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?
A. Leptokurtic
B. Pyrokurtic
C. Platykurtic
D. Mesokurtic - condition for applying Central Limit Theorem (CLT) which approximate the sampling distribution of the mean with a normal distribution is ?
A. n > 30
B. N(1 – p) > 5
C. 2 n 5
E. N < 30 - For a binomial distribution with n = 15 as p changes from. 50 toward. 05 the distribution will__________?
A. Become more positively skewed
B. Become more negatively skewed
C. Become symmetrical
D. All of the above. - If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?
A. -2.3
B. 5.3
C. -4.8
D. 2.3 - Normal distribution is _____ distribution?
A. Symmetrical
B. non-symmetrical
C. + vely skewed
D. -vely skewed
