Question # 1

If in binomial distribution, μ = 6, p = 3/5, the number of trial are:

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18

30

10

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

When a graph is made to show the total and part of the data, we draw.

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Simple bar chart

Multiple bar chart

Component barchart

None of these

For symmetrical distributions the values of co-efficent of skewness is

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Negative Number

Positive Number

Imaginary Number

Pure Number

If y =-7x then E(y) = ...............

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E(x)

-7X

-7E(X)

Zero

Which measure of disperesion is considered as the best genereal purpose measure of dispersion.

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Range

Semi interquartile range

Standard deviation

Mean deviation

The probability of getting one red ball from a bag constaining 4 red, 3 white and 3 black balls is.

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3/10

1/5

2/5

1/2

The mode of letters in the word STATISTICS is:

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S

T

I

S & T

A collection of all elements in a group is called.

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Sample

Data

Registration

Population

Both quantities and prices are used in:

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Link relatives

Chain relatives

Average of relatives

Aggregative index number

The sum of absolute deviations is a minimum if these deviations are taken from the

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Mean

Mode

Median

All of these

The base period in fixed bases should be________

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A normal year

Abnormal year

Special

General

If x and y are independent random variables, E(xy)

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E(XY)

xE(y)

E(XY)

E(X) . E(Y)

Coding method is used for calculation of the.

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Median

Mode

Mean

Weighted mean

The median for the data 2, 4, 6, 8, 10, 12 is

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5

8

7

10

Which of the followingindices satisfies both the time reversal and factor reversal tests.

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Fisher's method

Paasche's method

Laspeyres method

None of these

A portion of populatin selected for study is called.

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Parameter

Statistic

Population

Sample

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

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Statistics Ics Part 1 Online Test MCQs With Answers

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