Question # 1

E(y-μ) is equal to

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E(y)

μ

zero

y-μ

The repeated trials of binomial experiments are

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Dependent

Independent

Fixed

Variable

The expected value of a discrete random variable is.

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Always an integer

Always one of the values that the random variable can assume

An interal of values

None of these

Is a symmetrical distribution.

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Q1 = Q3

P25 = P50 = P75

A.M = G.M = H.M

A.M = Med = Mode

The numebr of trial in bionomial distribution is.

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Not fixed

Fixed

Large

Small

In symmetrical distribution mean, median & mode are always.

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zero

negative

Different

Equal

Which of the following is written at the top of the table.

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Souce note

Foot notte

Prefatory note

Title

In hypergeometric distribution, the successive trials are.

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Dependent

Independent

Both (A) & (B)

None of these

The probability of success ------------ from one trial to another when trials are dependent

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Remains constant

Is changed

One

Zero

When three coins are tossed simulatneously, P(3 heads) is.

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3/8

1/2

1/8

1/4

A copntinuous probability distribution may be represented by.

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A table

a graph

A mathmethical equation

Botha b and c

If we went to compare the prices of wheat then we have to compute.

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Price index number

Quantity index number

Volume index number

Both B and C

The mean of binomial distribution is always:

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Equal to variance

Less than variance

Greater then variance

None of the these

The most suitable average for computing of index number is:

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A.M

G.M

Median

H.M

If two coins are tossed, the probability of getting one head and one tail is.

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1/4

2/4

3/4

2/3

The data about the weights of plants:

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Discrete data

Qualitative data

Continuous data

Quantitative data

In which distribution the successive trials are with replacement

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Hypergeometric

Binomial distribution

Continuous distribution

Discrete distribution

When a pair of dice is rolled, the sum of upperemost dots vary from.

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0 to 10

1 to 11

2 to 19

2 to 12

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