Question # 1

Another name of probability sampling is

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quota sampling

simple sampling

stratified sampling

random sampling

Is sampling without replacement, an element can be chosen:

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Less than once

More than once

Only once

Difficult to tell

The ___________ allow you to type information into the computer.

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Mouse

Scanner

Printer

Keyboard

The first commercially available computer was:

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ENIAC

UNIVAC

Mark I

Analytical engine

The hypothesis which we are willing to accept when the null hypothesis is rejected is called

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simple hypothesis

composite hypothesis

null hypothesis

alternative hypothesis

1 -&=nbsp;α is call:

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Confidence coefficient

Power of the test

Size of the test

Level of significance

Total probability under the normal curve is

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1

0

-1

∞

A business cycle has

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one phase

two phases

three phases

four phases

Super computers can perform more than ---------------- calculations per second ?

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1 million

1 billion

1 trillion

1 lac

A sample is usually selected by_______.

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With

Without

Finite

Infinite

The measures of strength of closeness of linear relationship between two variables is called

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simple linear regression

composite linear regression

simple linear correlation

composite linear correlation

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

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estimation

estimate

interval estimate

point estimate

A numerical characteristic calculated from sample is called:

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Sample unit

Sample design

Statistic

Parameter

A complete computer system has________ parts.

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2

3

4

5

Level of significance is denoted by

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2 - α

3 - α

α

1 - α

n = (A) + --------------------

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(B)

(α)

(β)

(A)

When the expected frequencies are very small the value of=χ2has been

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adjusted

omitted

changed

all of these

The two attributes A and B are negatively associated if

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