Question # 1

A process by which we estimate the value of dependent variable on the basis of one or more independent variable is called_________.

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Residual

Correlation

Regression

Slope

The mean deviation (M.D) of a normal distribution is ________.

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4/5 σ

5/4 σ

2/3 σ

None of these

The degree of linear relationship between two variable is called________.

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Dependent

Association

Positive

Correlation

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biased

unbiased

positively biased

none of these

1MB equals

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1048576 bytes

1024 bytes

2048 bytes

2380 bytes

CD-ROM is a type of _________.

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Optical disk

Hard disk

Soft disk

Compact disk

In a normal distribution β₁ = 0 and β₂ = __________.

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2

4

3

5

If b_yx = 0.89 and b_xy = 0.75, then r=

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0.89

0.28

0.98

0.82

One byte equal:

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4 bits

6 bits

8 bits

12 bits

The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called

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equation

relation

ratio

regression

μ - 2σ to=μ + 2σ contains approximately_______ area.

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75%

50%

95.45%

99.73%

The unsystematic sequence which follows irregular pattern of variations is called:

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Noise

Signal

Linear

Non-linear

A quantitative statement about a population is called:

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Research hypothesis

Composite hypothesis

Simple hypothesis

Statistical hypothesis

The two attribute A and B are positively associated, if _________.

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(AB) = (A)(B)/n

(AB) < (A)(B)/n

(AB) ≠ (A)(B)/n

(AB) > (A)(B)/n

The process of dividing the objects into two mutually exclusive classes is called_______

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Bichotomy

Trichotomy

Dichotomy

Multichotomy

The estimates of the parameters=α and=β are

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μ and=σ2

a and b

μ andπ

χ2 and Z

Estimation is of two types:

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One sides and two sides

Type I and type II

Point estimation and interval estimation

Biased and unbiased

In case of normal distribution the area to the left of the mean and area to the right of the mean is

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positive

negative

equal

unequal

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Statistics Ics Part 2 Online Test MCQs With Answers

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