Question # 1

The S.D. of 8,8,8,8,8, is.

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8

(8)²

zero

5

When two dice are rolled, the numebr of possible sample points is.

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6

12

36

48

There sets on a sofa can be occupied by four persons in.

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12 ways

7 ways

24 ways

None of these

If x and y are independent random variables, then E(xy)

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E(xy)

xE(y)

E(x)

E(x)E(y)

Information recorded in its original form, whether counts or measurements in referred to as.

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Continuous data

Raw data

Discrete data

Arrayed data

In a skewed distribution the three averages man, median & mode are.

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identical

different

0

equal 1

Variance σ²is equal to E(y²) - --------------------

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E(y)

[E(y)]²

E(y)²

E² (y)

The volume or quantity of goods are compared by_______

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Price index number

Volume index number

Quantity

None of these

The weights used in a quantity index are

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Percentage of total quantity

Prices

Average of quantities

None of these

Co-efficent of standard deviation can be measured by the following formula

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The binomial distribution deal with:

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Discrete variable

Continuous variable

None of these

In hypergeometric distribution, the successive trials are.

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Dependent

Independent

Both (A) & (B)

None of these

Paasche's index is also called

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Consumer price index

Current year price

Simple index

Cost of consumption

N-K is classified as

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Success

Failures

Parameters

Range

Probability of an event cannot be

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Negative

Positive

Zero

One

The most suitable average for computing of index number is:

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A.M

G.M

Median

H.M

The index number are generally classified into ___________ types.

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Two

Four

Five

Three

The number 136.500 rounded off to nearest unit is.

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136

137

136.5

136.0

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