Question # 1

Which is the most useful average in chain base method

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Arithmetic mean

Median

Geometric mean

Weighted arithmetic mean

P(A or B) = P (A∪B) = P(A) +P(B) then A and B are.

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Mutually exclusive

Independent events

Not mutually exclusive

Dependent

Data which have been arranged in ascending or descending order are called.

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Raw data

Grouped data

Arrayed data

Un grouped data

The man of 10 observations is 10. All obvervations are increased by 10%. The mean of the increased observations shall be.

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10

11

20

100

In which distribution the successive trials are with replacement

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Hypergeometric

Binomial distribution

Continuous distribution

Discrete distribution

An expected value of a random variable is equal to its.

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Variance

B.D.

Mean

Co - Variance

Which of the following case is true for hypergeometric distribution.

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Probability remains constant for all trials

Probability changes

successive trials are dependent

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

If b₂ = 3, then the distribution is:

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leptokurtic

Platykurtic

Normal

None of these

The standard deviation of a binomial distribution depends on.

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Probability of success

Probabiliyt of failure

Number of trials

Both a and c

The binomial distribution is symmetrical if

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p = 1/2

P > 1/2

p < 1/3

P ≠ q

The 5^th decile is always equal to

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1^st quartile

2^nd quartile

3^rd quartile

Both (a) and (b)

The value of standard deviation changes by change of.

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Origin

Algebraic sign

Scale

None

For moderately positively skewed distribution the following relation hold

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Mean > median > mode

Mean=median=mode

Mean < median< mode

None of these

Issuing a national identity card is an example of.

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Census

Registration

Sampling

Investigatin through enumerators

A collection of all elements in a group is called.

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Sample

Data

Registration

Population

The binomial distribution deal with:

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Discrete variable

Continuous variable

None of these

When all the commodities are not of equal importance, the index numbers are called.

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Simple

Weighted

Value

Un weighted

When a distribution is symmetrical and has one mode, the highest point on the curve is called the.

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Mode

Median

Mean

All of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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