Question # 1

Subset of sample is called:

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Event

Simple event

Compound event

Experiment

The probability of even/odd number when a fair die rolled is:

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1/6

2/6

1/36

3/6

A statistical table has at least.

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Five parts

Four parts

Three parts

Two parts

Which is the impossible event when a dice is rolled.

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5 or 6

6 or 7

2 or 3

1

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

The letter used as a symbol for population mean is

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μ_-

Φ

x

σ

If any value in the date is zero, then it is not possible to have.

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A.M

Median

Mode

H.M

Is a symmetrical distribution.

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Q1 = Q3

P25 = P50 = P75

A.M = G.M = H.M

A.M = Med = Mode

Tossing two dice possble sampes are.

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2

6

12

36

CPI falls in the category of.

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A simple index

An aggregative

An inflationary index

Wholesale price index

For a given binomial distribution with a fixed,if p < 0.5 , than

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The binomial distribution will be skewed to the left.

The binomial distribution will be skewed to the right

The binomial distributio iwll be symmetric

None of these

In a symmetrical distribution, the coefficient of skewness will always be.

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Negative

zero

1

-1

F(-∞) is always equal to.

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Zero

One

Two

Negative one

It is the reciprocal of the simple average of teh reciprocal of all the values.

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A.M

G.M

H.M

Mode

Which of the following statements is correct.

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Every symmetrical curve is measokurtic

Standard deviation is the mean squared deviations from the mean

The standard deviation of a constant is constant

Teh second moment about zero equals variance.

Which of the following is a relatie measure of dispersion.

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Standard deviation

Variance

Coefficient of variation

All of these

The sum of probabilities of events of a sample space is always.

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Equal

Discrete

Continuous

Always greater then oen

Why is it necessary to square the difference from the mean when computing the standard deviation.

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So that the extreme values will not affect the calculation

Some of the differnece will be positive and some will e negative

It can change drastically from one data set to the next

It is determined by only two points in the data set

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