Question # 1

If all the values considered in calculating an inxed are of equal importance, teh index is.

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Weighted

Simple

Un weighted

None of these

Tossing two dice possble sampes are.

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2

6

12

36

The letter used as a symbol for population mean is

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μ_-

Φ

x

σ

If x̅ = 10 and Y = 5 +2x, then Y̅ is.

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5

10

25

15

Which ofthe following methods uses quantities consumed in the current period when computing a weighted index.

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Laspeyres method

Marshall -Edge worth's methods

Peasche's method

Fisher's method

Which of the following is an example of compressed data.

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Array

Frequency distribution

Ogive

Histogram

For an open and distribution, without assuming certain limits it is not possible to find:

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A.M

G.M

Median

Boat A and B

Which is a poor measure of dispersion in open-end distribution.

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Range

Standard deviation

Variance

A.M

The probability of vowel letters form the words STATISTIC is.

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2/10

3/10

0

4/10

Fora a positively skewed distribution.

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Mean > Mode

Mode > Mean

Median > Mean

None of these

If C is a non -random variabe than E (C) is.

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c

0

1

x

When a distribution is symmetrical and has one mode,the highest point on the curve is called.

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Mode

Median

Mean

All of these

For a binomial probability distribution:

n = 10 & the probability of failure (q =0.6), then mean of the distribution is .

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0.6

6.0

10

4

The provability can never be,

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0

1

1/52

Negative

a measure of the chance that an uncertain event will occur.

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An experiment

An event

A probability

A trail

Data in the population Census Reports are.

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Ungrooped data

Secondary data

Primary data

Arrayed data

In pie diagram, the sector of a circle is obtained by.

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Component part / total x 300

Component part / total x 180

Component part / total x 360

None of these

If x is a continuous random vriable, then the function f (x) is.

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A probability function

A probability denaity function

A density function

Both b and c

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