Question # 1

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

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

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Null hypothesis

Alternative hypothesis

Simple hypothesis

Composite hypothesis

Which hypothesis is always in an inequality form?

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Simple hypothesis

Alternative hypothesis

Null hypothesis

Composite hypothesis

A quantitative statement about a population is called:

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Research hypothesis

Composite hypothesis

Simple hypothesis

Statistical hypothesis

A region for which the H_o is rejected is called

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acceptance region

rejection region

critical region

both b and c

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

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one

two

one or more

three

Given=μ0 = 170, X̅ = 190,σ = 36 and n = 9; which statistic is appropriate?

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t

z

x2

F

The alternative hypothesis always contains the sign of

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equality

inequality

ratio

proportion

An example in a two-sided, alternative hypothesis is:

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H₁ :u < 0

H₁ : u > 0

H₁ L u > 0

H₁ : u ≠ 0

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

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true

correct

wrong

none of these

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

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

1 -&=nbsp;α is call:

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Confidence coefficient

Power of the test

Size of the test

Level of significance

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

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Composite hypothesis

Null hypothesis

Alternative hypothesis

Simple hypothesis

The power of the test is equal to:

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α

1 - α

β

1 - β

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

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Statistical hypothesis

Simple hypothesis

Composite hypothesis

None of these

1 - α is the probability associated with:

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Type-I error

Type-II error

Level of confidence

Level of significance

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Statistics Ics Part 2 Chapter 4 Online Test MCQs With Answers

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