11th Class Statistics MCQS
The simplest form of the continues distribution is the
Binomial distribution
Uniform distribution
Kurtic distribution
Skewed distribution
Coefficient of variation (C.V) is given below
Mean/S.D x 100
S.D/ Mean
S.D/Mean x 100
Mean /S.D x10
The simplest form of the continuous distribution is the.
Skewed distribution
Uniform distribution
Kurtic distribution
Binomial distribution
F(-?) is always equal to.
Zero
Two
One
Negative one
E(Y2) -[E(y)]2 is the formula, and to compute.
None of these
Both A and B
Mean of the random variable
Variance of the random variable
Probability distribution of a continuous random variable can be presented by
Formula
tabular form
None of these
Curve
E(X ± Y) =…………..
None of these
E(x) ± E (Y)
E(X) + E(Y)
E(X) – E (Y)
If x and y are independent random variables, then E(xy)
E(x)E(y)
E(x)
xE(y)
E(xy)
Which of the following is suitable for discrete probability distribution.
Probability
Ogive
Frequency polygon
Histogram
probability distribution of a continuous random variable can be presented by.
None of these
Tabular form
Curve
Formula
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