Question # 1

1 -&=nbsp;α is call:

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Confidence coefficient

Power of the test

Size of the test

Level of significance

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

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

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

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 of the following is not composite hypothesis?

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^{μ < μ}_^

μ > μ₀

μ = μ_o

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

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 alternative hypothesis is also called:

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Null hypothesis

Statistical hypothesis

Research hypothesis

Simple hypothesis

If critical region is located equally in both tails of the sampling distribution of test statistic, the test is called ------------- test

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one tailed

two tailed

left tailed

right tailed

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 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

A quantitative statement about a population is called:

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Research hypothesis

Composite hypothesis

Simple hypothesis

Statistical hypothesis

Which hypothesis is always in an inequality form?

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Simple hypothesis

Alternative hypothesis

Null hypothesis

Composite hypothesis

Hypothesis that does not completely specify the underlying population distribution is called

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simple hypothesis

dual hypothesis

composite hypothesis

common hypothesis

The hypothesis which is tested for possible rejection is called

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common hypothesis

null hypothesis

alternative hypothesis

wrong 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

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Statistics Ics Part 2 Chapter 4 Online Test MCQs With Answers

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