Question # 1

Geometric mean can be calculated by formula

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Which of the following average cannot be calculated from the observation 2,2,4,4,6,6,8,8,10,10

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Mean

Median

Mode

All of these

If mean = 25 and variance is also 25, then coefficient of variation is

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100%

25%

20%

10%

Var (B/aX) =?

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1/aVar(X)

b²/a² Var(X)

b²/a Var(X)

None of these

The conditional probability P(A/B) is given by.

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(A∩B)/(B)

P(A∩B)/P(A)

P(A∩B)/P(B)

(A∩B)/P(B)

If the chance of occurance of two events are same then such events are called

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Independent events

Dependent events

Mutually exclusive events

Equally likely events

Which of the following price indices are prepared by Federal Bureau of Statistics.

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Wholesale price index

Consumer price index

Sensitive price indicator

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

The whole issue of descriptive and inferential statistic can be described with the help of.

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Statistical analysis

Statistic

Statistical problem

Statistical steps

For the given data 2,3,7,0,-8 G.M will be.

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Negative

Positive

Zero

Impossible

The life time of fans, data is.

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Discrete

Continuous

Unchanged

Qualitative

A set containing only one element is called

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Null set

Universal set

Subset

Singleton set

The probability of vowel letters form the words STATISTIC is.

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2/10

3/10

0

4/10

Two events A and B are mutually exclusive if P(A∪B) =

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P(A) - P(B)

P(A) + P(B)

P(A)P(B) - P(A∪B)

P(A) + P(B) - P(A∪B)

A numerical characteristics of a sample is called.

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Parameter

Variable

Sample

Statistics

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y₁ = y₂

Y₁ > y₂

None of these

Tabulation means, the process of arranging the date into.

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Different classes

Rows

Columns

Rows & columns

Mean deviation = S.D

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2/3

4/5

5/6

6/5

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Statistics Ics Part 1 Online Test MCQs With Answers

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