# 11th Class Statistics MCQS Chapter 7

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#### 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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