Question # 1

The consumer price index number is also called.

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The cost of living index number

The retail price index number

The wholsale price index number

Both a and b

If a Vann diagram is drawn for events A and B which are mutually exclusive, which f the folloiwng would always be true of A and B.

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Theire parts of the rectangle will overlap

Their parts fo the rectangle will be equal in area

Their parts of the rectangle will not overlap

None of these

The smallest and larges value of any given class of frequency distribution are called.

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Class limits

Class interval

Class marks

Class Boundry

An Ogive is a

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Frequency curve

Frequency polygon

Cumulative frequency polygon

Frequency histogram

The mid value of the arrayed data is called

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Median

Mode

Mean

Geometric mean

First hand collected data are called:

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secondary

Primary

Constant

Discrete

Which one is not an example of random experiments.

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A coin is tossed and the outcome is either a head or a tail

A six sided aid is rolled

All medical insurance clams received by a company in a given year.

Some one of person will be admitted to a hospital emergency room during any hour.

Data used by an agency which orginally collected them are.

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Primary data

Raw data

Secondary data

Grouped data

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4/10

2/10

1/10

0

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

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3/8

1/2

1/8

1/4

If X and Y are independent random variables , the E (XY) is equal to.

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E(XY)

E(X) E(Y)

XE(Y)

YE(X)

For symmetrical distribution mega 3 is.

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zero

1

2

3

If a player well shuffles the pack of 52 playing card, then the probability of a black card form 52 playing cards is:

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1/52

13/52

26/52

4/52

The mean of the absolute deviations of observations from mean, median or mode is called

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Quartile deviation

Absolute deviation

Mean

Mean deviation

Subset of sample space is called

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Event

Simple event

Compound event

Experiment

Geometric mean of the relative is.

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Reversible

None - Reversible

Both A and B

None of these

The letter used as a symbol for population mean is

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μ_-

Φ

x

σ

A data having least C.V is considered more__________.

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Consistent

Skewness

Equidistant

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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