Question # 1

In binomial distribution, the random variable has a range:

Choose an answer

0,1,2...................n

0,1,2,......+∞

-∞ to +∞

∞ to +0

Commodities subject to considerable price variation should best be measured by

Choose an answer

Quantity index

Price index

Value index

None of these

The difference between the upper and the lower boundaries of a class are known as:

Choose an answer

class marks

class intensive

class frequency

class limit

The lack of symmetry is called________.

Choose an answer

consistent

skewness

Equidistant

Kurtosis

Commodities subject to considerable price variation should best be measured by

Choose an answer

Quantity index

Price index

Value index

None of thes

The probabilyt density function p (x) cannot exced.

Choose an answer

zero

One

Mean

Infinity

Var (B/aX) =?

Choose an answer

1/aVar(X)

b²/a² Var(X)

b²/a Var(X)

None of these

A disadvantage of range is that it is based on.

Choose an answer

Absolute deviation

Square deviation

Two extreme observation

Upper and quartile

When all the commodities are not of equal importance, the index numbers are called.

Choose an answer

Simple

Weighted

Value

Un weighted

The mean of a binomial distribution depends on.

Choose an answer

Parability of success

Parababilyt of failure

Number of trials

Both a and c

In a hypergeometric distribution N = 6, n = 2, K = 3 Then mean.

Choose an answer

1

2

3

4

As the numebr of observations and classes increase, the shape of a frequency polygon.

Choose an answer

Tends to become increasingly asmooth

Tends to become jagged

stays the same

Varies if data become more reliable

If mean = 40 , Mdoe - 42 , then distributiion is.

Choose an answer

4 skew

2 skew

Symmetrical

All of these

test2

Choose an answer

3

4

2

When x denotes the number of success in binomial experiment it is called.

Choose an answer

Random variable

Binomial random variable

Continuous random variable

Both (B) and (C) but not (A)

Mode of the sereis 2,2,2,3,3,3,2,3,3,4 is.

Choose an answer

3

2 and 3

4

None of these

E(x) = Σxf(x) if it ________ absolutely.

Choose an answer

Equal

Converges

Discrete

None of these

Choose an answer

4/10

2/10

1/10

0

More Classes

Other Links

Statistics Ics Part 1 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer