Question # 1

Var (3x + 2)

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3 Var(X) + 2

3 Var X

9 var (x) + 2

9 var (x)

If a is a constant then E(a) is equal to

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a

Square of a

Zero

2a

A hypergometric random variable is a (an)

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Independent variable

Continuous random variable

Discrete random variable

None of these

Which of the following average is effected by extreme values.

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Median

Mode

Arithmetic mean

All of these

The main advantages of using the range as a measure of dispersion is that.

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It is easy to calculate

It is heavily influenced by extreme values.

It can change drastically from one data set to the next

It is determined by only two points in the data set

the base period can be described as a normal period if

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it is neither the peak nor the trough of a fluctuation

It is the most recent period for which we have data

It is the average of several consecutive pariods

None of these

Commodities subject to considerable price variation should best be measured by

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Quantity index

Price index

Value index

None of these

An experiment which produced different outcomes even if it is repeated a large number of times, under similar conditions is called

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Event

Compound event

Random experiment

None of these

Which of the following is an example of compressed data.

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Array

Frequency distribution

Ogive

Histogram

For positively skewed binomial distribution

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P = 0

P < 0.5

P > 0.5

P = 0.5

Price of commodity in current year can be represented as

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P_oi

P_on

P_n

P_i

A set of numerical values assigned to a sample space is called.

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Random sample

Random variable

Random numbers

Random experiment

In binomial distribution, the random variable has a range:

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

0,1,2,......+∞

-∞ to +∞

∞ to +0

If one event is unaffected by the outcome of another event, the two events are said to be

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Dependent

Independent

Mutually exclusive

Both b and c

The numebr of trial in bionomial distribution is.

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Not fixed

Fixed

Large

Small

The number 5.56500 rounded off to nearest hundredth is.

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5.57

5.56

6.00

5.00

N-K is classified as

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Success

Failures

Parameters

Range

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

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3

2 and 3

4

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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