Question # 1

Which set has teh maximum varaition?

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46,48,50

30,40,50

40,50,60

48,48, 49

M.D. of the values 4,4,4,4 is

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0

4

8

12

Which of the following is suitable for discrete probability distribution.

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Frequency polygon

Probability

Ogive

Histogram

Random variable is also called ___________.

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Chance stochasitc

Coverges

Random

None of these

If the third moment about mean is zero ( m3 = 0) , then the distribution is.

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Mesokurtic

Positively skewed

Symmetrical

Negatively skewed

The distribution is positively skewed if.

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Mean < Mode

Mean > Mode

Mean > Median

Both b and c

In binomial distribution it is impossible to find

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P(x L)

P(x=0)

P(x > 0)

P(0≤ x≤∞)

Probability distribution of a continuous random variable can be presented by

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tabular form

Formula

Curve

None of these

The median divides the data into

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Two halves

Four quarters

Single unit

Six parts

In binomial experiment successive trials are:

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Dependent

Independent

May be independent or dependent

None of these

A binomial random variable is a (an)

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Constinuous random variable

Discrete random variable

Dependent varaible

Independent variable

In binomial distribution trails are

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Independent

Dependent

Both

Discrete

Two methods of data arrangement are

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Array and frequency distribution

Frequency distribution and histogram

Array and frequency polygon

Histogram and array

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

"P_r can be solved by the formula.

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N!/ r!(n-r)!

(n-r)!/r!

n!(n-r!)

n!(n-r)!/r!

Var (B/aX) =?

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1/aVar(X)

b²/a² Var(X)

b²/a Var(X)

None of these

A chart in which total magnitude and its compnents are compared is called a

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Component bar chart

Pie chart

Percentage compoent bar chart

All of these

CPI falls in the category of.

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A simple index

An aggregative

An inflationary index

Wholesale price index

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Statistics Ics Part 1 Online Test MCQs With Answers

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