Question # 1

Give classes, 1 - 6, 6 - 10...... class interval is.

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5.5

3

4

5

Which of the following is suitable for discrete probability distribution.

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Frequency polygon

Probability

Ogive

Histogram

Mode 2, 10 and 7 is.

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2

7

10

None of these

When each outcome of a sample is as equally likely to occur as any other, the out come are called.

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Mutually exclusive

Equally likely

Exhaustive

Not mutually

The mena is affected by

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Change of origin

Scale of measurement

Both a and b

None of these

Why are the outcomes of a coin tossing mutually exclusive.

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The outcome of any toss is not affected by teh outcome of those preceding it.

Both a head and a tail cannot turn up on any one toss

The probability of getting a head and the probability of getting a tail is the same.

All of these

In a hypergeometric distribution.

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Mean > Variance

Mean < variance

Mean = variance

Mean = Zero

If an event consist of more than one sample point it is called

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Simple event

Compound event

Exhaustive event

Likely event

Var (B/aX) =?

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1/aVar(X)

b²/a² Var(X)

b²/a Var(X)

None of these

The sum of the deviation form mean of a set of an value is

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least

0

positive

None of these

E(Y2) -[E(y)]2 is the formula, and to compute.

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Variance of the random variable

Mean of the random variable

Both A and B

None of these

Freqeucny is denoted by

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f

c

q

p

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

Theoretically best average used in the construction of composite index in

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The arithmetic mean

The geometric mean

The median

The harmonic mean

The number 5.56500 rounded off to nearest hundredth is.

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5.57

5.56

6.00

5.00

In fixed base method, the base period should be.

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Far away

Normal

Un reliable

Abnormal

Karl Pearson's 1^st co-efficient of skewness is given by formula

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None of these

The most suitable average for computing of index number is:

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A.M

G.M

Median

H.M

E(X ± Y) =..............

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E(X) + E(Y)

E(X) - E (Y)

E(x) ± E (Y)

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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