12th class Statistics chapter 13 online mcq test with answers for ICS part 2 Statistics chapter 13 (Hypothesis Testing)

Question # 1

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

one A
two B
one or more C
three D

Question # 2

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

Z < Z=α A
Z=α/2 < Z B
Z > Z1-α C
Z < Z1-α D

Question # 3

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

correction A
error B
significance C
statistics D

Question # 4

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

H₁ :u < 0 A
H₁ : u > 0 B
H₁ L u > 0 C
H₁ : u ≠ 0 D

Question # 5

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

Composite hypothesis A
Null hypothesis B
Alternative hypothesis C
Simple hypothesis D

Question # 6

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

type - I A
type - II B
type - III C
type - IV D

Question # 7

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

simple hypothesis A
dual hypothesis B
composite hypothesis C
common hypothesis D

Question # 8

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

type - I error A
type - II error B
type - III error C
type - IV error D

Question # 9

Level of significance is also called:

Power of the test A
Size of the test B
Level of confidence C
Confidence coefficient D

Question # 10

Which of the following is not composite hypothesis?

^{μ < μ}_^ A
μ > μ₀ B
μ = μ_o C

Question # 11

The alternative hypothesis always contains the sign of

equality A
inequality B
ratio C
proportion D

Question # 12

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

simple hypothesis A
composite hypothesis B
null hypothesis C
alternative hypothesis D

Question # 13

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

true A
correct B
wrong C
none of these D

Question # 14

Which hypothesis is always in an inequality form?

Simple hypothesis A
Alternative hypothesis B
Null hypothesis C
Composite hypothesis D

Question # 15

P(type II error) is equal to:

α A
β B
1 - α C
1 - β D

Question # 16

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

simple values A
critical values B
parametric values C
none of these D

Question # 17

1 -&=nbsp;α is call:

Confidence coefficient A
Power of the test B
Size of the test C
Level of significance D

Sr.#	Question	Answer
1	A ---------------- error is made by accepting H_o if H₁ is actually true	A. type - I B. type - II C. type - III D. type - IV
2	The power of the test is equal to:	A. α B. 1 - α C. β D. 1 - β
3	The alternative hypothesis always contains the sign of	A. equality B. inequality C. ratio D. proportion
4	If critical region is located equally in both tails of the sampling distribution of test statistic, the test is called ------------- test	A. one tailed B. two tailed C. left tailed D. right tailed
5	An example in a two-sided, alternative hypothesis is:	A. H₁ :u < 0 B. H₁ : u > 0 C. H₁ L u > 0 D. H₁ : u ≠ 0
6	A statistical hypothesis is an assertion or conjecture about the distribution of random variables	A. one B. two C. one or more D. three
7	The hypothesis which we are willing to accept when the null hypothesis is rejected is called	A. simple hypothesis B. composite hypothesis C. null hypothesis D. alternative hypothesis
8	Which of the following is not composite hypothesis?	A. ^{μ < μ}_^ B. μ > μ₀ C. μ = μ_o
9	P(type II error) is equal to:	A. α B. β C. 1 - α D. 1 - β
10	The choice of one-tailed test and two tailed test depends upon:	A. Composite hypothesis B. Null hypothesis C. Alternative hypothesis D. Simple hypothesis

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ICS Part 2 Statistics Chapter 13 Online Test

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

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

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

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

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

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

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

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

Level of significance is also called:

Which of the following is not composite hypothesis?

The alternative hypothesis always contains the sign of

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

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

Which hypothesis is always in an inequality form?

P(type II error) is equal to:

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

1 -&=nbsp;α is call:

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