Question # 1

A relationship where the flow of the data points is best represented by a curve is called_______.

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Linear positive

Linear negative

Linear relationship

Nonlinear relatiobship

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

A specific value of an estimator computed from the sample data is called

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estimation

estimate

interval estimate

point estimate

Statistical inference has two branches namely:

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Level of confidence and degrees of freedom

Biased estimator and unbiased estimator

Point estimate and interval estimate

Estimation of parameter and testing of hypothesis

1 kb = _____________ bytes

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10

100

1000

10,000

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

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75%

50%

95.45%

99.73%

Level of significance is denoted by

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2 - α

3 - α

α

1 - α

When b_xy is positive, then b_yx will be _______.

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Negative

Positive

Zero

One

Regression line x on y is

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The normal distribution is --------------------distribution.

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positively skewed

negatively skewed

symmetrical

peaked

The following statistic are unbiased estimators:

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The Sample mean

S² = Σ(X - X)²/n-1

The sample proportion

All the above

RAM is called_______storage.

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Primary

Secondary

Control

Scanner

CD-ROM is a type of _________.

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Optical disk

Hard disk

Soft disk

Compact disk

A complete list of elements in a population is called

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population

sampling design

sampling frame

sampling unit

P(type I error) is equal to:

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1 - α

1 - β

α

β

Which one is a rough and crude method for measuring secular trend ?

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free hand curve method

semi average method

moving averages method

least square method

P(type II error) is equal to:

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α

β

1 - α

1 - β

Sample is a sub-set of ________.

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Population

Data

Set

Distribution

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ICS Part 2 Statistics Online Test MCQs With Answers

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