Lowest value of variance can be____________?
Lowest value of variance can be____________?
A. 1
B. -1
C. 3
D. 0
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The graphs of the symmetrical distribution is _____________?
The graphs of the symmetrical distribution is _____________?A. J- shaped
B. U- shaped
C. Bell- shaped
D. None of theseThe binomial distribution is symmetrical when:______________?
The binomial distribution is symmetrical when:______________?A. P > q
B. P = 1/2
C. Probability of success & probability of failure are equal
D. Both (b) & (c) but not (a)For a binomial distribution with n = 15 as p changes from. 50 toward. 05 the distribution will__________?
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.Which of the following is not the property of binomial distribution ?
Which of the following is not the property of binomial distribution ?A. n is fixed
B. Has two outcomes
C. Trials are independent
D. Probability of success varies from trial to trialThe formula ∑poqn/∑poqo x100 is used to calculate_______________?
The formula ∑poqn/∑poqo x100 is used to calculate_______________?A. The Laspeyres price index
B. The Paasche quantity index
C. The Laspeyres quantity index
D. The Paasche price indexIn binomial experiment successive trials are ______________?
In binomial experiment successive trials are ______________?A. Dependent
B. Independent
C. May be inependent or dependent
D. None of these