Lowest value of variance can be____________?
Lowest value of variance can be____________?
A. 1
B. -1
C. 3
D. 0
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For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________?
For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________?A. ∑P(x)
B. ∑x.P(x)
C. ∑x2P(x)
D. OneIf the events have same chance of occurrence they are called:_______________?
If the events have same chance of occurrence they are called:_______________?A. Equally likely events
B. Exhaustive events
C. Mutually Exhaustive events
D. dependent eventsThe sum of deviations of observations is zero, when deviations are taken from __________?
The sum of deviations of observations is zero, when deviations are taken from __________?A. Mean
B. Median
C. Mode
D. None of theseIf any of the value in data set is negative then it is impossible to compute:_____________?
If any of the value in data set is negative then it is impossible to compute:_____________?A. Arithmetic Mean
B. Harmonic Mean
C. Geometric Mean
D. Mode
E. MedianWhat is the mean of binomial distribution ____________?
What is the mean of binomial distribution ____________?A. X
B. n x p
C. n(1 – 1)
D. ∑fx/∑fShape of normal curve can be related to_______________?
Shape of normal curve can be related to_______________?A. Bell
B. Circle
C. L
D. Rectangle
E. J