Question # 1

The values of test statistic which separate the rejection and non rejection regions for the test are called

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simple values

critical values

parametric values

none of these

1 -&=nbsp;α is call:

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Confidence coefficient

Power of the test

Size of the test

Level of significance

Which error is occurred when the defendant were found guilty if, infect the defendant is innocent

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type-I

type-II

no error

both a and b

If Ho: μ <μoand H1:μ <μoand level of significance is=α then Ho will be rejected if

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Z < Z=α

Z < Z=α/2

Z < Z 1-α

Z < Z1-α/2

Which hypothesis is always in an inequality form?

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Simple hypothesis

Alternative hypothesis

Null hypothesis

Composite hypothesis

A ---------------- error is made by accepting H_o if H₁ is actually true

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type - I

type - II

type - III

type - IV

A hypothesis that specifies all the value of parameter is called:

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Statistical hypothesis

Simple hypothesis

Composite hypothesis

None of these

Level of significance is also called:

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Power of the test

Size of the test

Level of confidence

Confidence coefficient

Which of the following is not composite hypothesis?

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^{μ < μ}_^

μ > μ₀

μ = μ_o

P(type II error) is equal to:

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α

β

1 - α

1 - β

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

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

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

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

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one

two

one or more

three

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

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Composite hypothesis

Null hypothesis

Alternative hypothesis

Simple hypothesis

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 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

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ICS Part 2 Statistics Chapter 13 Online Test MCQs With Answers

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