Question # 1

Subset of sample space is called

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Event

Simple event

Compound event

Experiment

Consumer price indexis obtained by.

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Paache's formula

Marshall Edgeworth formula

Fisher's ideal formula

Family Budget Method formula

A coin is tossed 3 times then, then number of sample points in the sample space is:

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2³

3

8

Both A & C

If we connect the mid points of rectangles in a histogram with a series of lines. we get.

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Ogive

Frequency Polygon

Frequency Curve

Bar chart

the term 'event' is used for.

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Time

Subaet of the sample space

Total number of outcomes

Probability

If the probability of success p = 0.4 for a parability Beronouli trial, the expression 7!/3!4! (0.4)2 (0.6)2 given the probility of getting.

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Exactly three sucoseeson in seven trials

Exactlyfour successin seven trials

Three or more successes in seven trials

Four or more successes in seven trials.

The probability of getting an odd number when a balanced die is rolled is.

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1/2

1/3

1/4

1/6

test2

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3

4

2

The parameters of hypergeometric distribution are:

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n,k & p

n, k & q

n, p & q

n, k & N

A statistic which is not measurable is called.

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A constant

An attribute

A variable

A parameter

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

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Random variable

Binomial random variable

Continuous random variable

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

The probability of success changes from trial to trial, is the property of:

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Binomial experiment

Hypergeometric experiment

Both A and B

None of these

Y₃+y₄+......+y₁₅ =

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Σ¹⁵ _i=1 Y₁

Σ¹⁵ _i=3 Y₂

¹⁵Σ_i=3 Y_i

¹⁵Σ_i=3Y_i²

Teh range of the value -2, -4, -6 and -8 is.

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-6

6

-10

-4

In which distribution the successive trials are with replacement

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Hypergeometric

Binomial distribution

Continuous distribution

Discrete distribution

Geometric mean of the relative is.

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Reversible

None - Reversible

Both A and B

None of these

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The Laspeyres index

The Paasches index

The value index

None of these

Which measure of disperesion is considered as the best genereal purpose measure of dispersion.

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Range

Semi interquartile range

Standard deviation

Mean deviation

the standard deviation is independent of.

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Change of origin

Change of scale of measurement

Change origin and scale of meaturement

None of these

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