Question # 1

If we reject Ho when Ho is actually true then it is

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type - I error

type - II error

type - III error

type - IV error

The alternative hypothesis is also called:

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Null hypothesis

Statistical hypothesis

Research hypothesis

Simple hypothesis

1 -&=nbsp;α is call:

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Confidence coefficient

Power of the test

Size of the test

Level of significance

A statistic on the basis of which a decision is made about the hypothesis of interest is called

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critical region

test statistic

parameter

rejection region

If the null hypothesis is false, we many accept it leading to a ----------- decision

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true

correct

wrong

none of these

The power of the test is equal to:

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α

1 - α

β

1 - β

An automobile is driven on the average on more than 1600 kilometers per year, the null hypothesis is

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H_o : μ = 16000 kilometers

H_o : μ ≤ 16000 kilometers

H_o : μ < 16000 kilometers

H_o : μ > 16000 kilometers

The Level of ------------- of test is the maximum probability with which we are willing to a risk of type -I error

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correction

error

significance

statistics

The degree of confidence is equal to:

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β

1 - β

1 - α

α

Suppose that the null hypothesis is true and it is rejected, is known as:

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α type-I error, and its probability is β

α type-I error, and its probability is α

α type-II error, and its probability is α

α type-II error, and its probability is β

Which hypothesis is always in an inequality form?

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Simple hypothesis

Alternative hypothesis

Null hypothesis

Composite hypothesis

A statistical hypothesis is an assertion or conjecture about the distribution of random variables

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one

two

one or more

three

A statement about the value of a population parameter is called:

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Null hypothesis

Alternative hypothesis

Simple hypothesis

Composite hypothesis

If Ho:π >πo , H1:π <πo and level of significance is=α then Ho will be rejected if

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Z < Z=α

Z=α/2 < Z

Z > Z1-α

Z < Z1-α

1 - α is the probability associated with:

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Type-I error

Type-II error

Level of confidence

Level of significance

P(type I error) is equal to:

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1 - α

1 - β

α

β

The choice of one-tailed test and two tailed test depends upon:

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Composite hypothesis

Null hypothesis

Alternative hypothesis

Simple hypothesis

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ICS Part 2 Statistics Chapter 13 Online Test MCQs With Answers

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