A. Zero
B. 3
C. 3
E. None of these
Related Mcqs:
- When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?
A. J- shaped
B. U- shaped
C. Bell- shaped
D. V- shaped - 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. - 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 - 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 - The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?
A. 0.1477
B. 0.1597
C. 0.3413
D. None of These - In Normal distribution, the parameter which controls the flatness of the curve is____________?
A. µ,σ
B. None
C. µ, MD
D. 2∏—√,e - 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 - If in binomial distribution p ≠ q, the distribution is:___________________?
A. Positively skewed
B. Negative skewed
C. May be positive skewed or negative skewed.
D. None of these - 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.
