Question # 1

A non - orderly arrangement of thing s is called:

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Permutation

Equally likely

Combination

Equally likely

The mean deviation is least if deviations are taken from

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A.M

Mode

G.M

Median

"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!

Variance of σ² is equal E to (Y²) - _______?

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E (y)

[E(y)]²

E(y²)

None of these

Which of the following is not based upon all the observations.

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A.M

G.M

H.M

Mode

Mode 2, 10 and 7 is.

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2

7

10

None of these

A disadvantage of range is that it is based on.

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Absolute deviation

Square deviation

Two extreme observation

Upper and quartile

A set of numerical values assigned to a sample space is called.

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Random sample

Random variable

Random numbers

Random experiment

The probability of even/odd number when a fair die rolled is:

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1/6

2/6

1/36

3/6

Probability of a sure event is

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Zero

Less than one

Greater than one

One

Random numbers can be generated

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Manually

Mechanically

Botha a and b

None of these

Second moment abut mean is.

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0

1

variance

Standard deviation

N-K is classified as

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Success

Failures

Parameters

Range

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

What is the probability that a value chosen at random from a particular population is larger than the median of the popultion.

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0.25

0.5

1.0

0.67

In chain base method the base period is.

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Fixed

Changed

Constant

None of these

Link relataives can be obtained dividing Pn by

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Po

P n-1

qo

qn-1

The minimum classes may be determine by formula.

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C = 1+3, log (n)

c = √n

X_m - X₀

Both A and B

More Classes

Other Links

Statistics Ics Part 1 Online Test MCQs With Answers

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