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

Question # 1

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

Z < Z=α A
Z < Z=α/2 B
Z < Z 1-α C
Z < Z1-α/2 D

Question # 2

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

one tailed A
two tailed B
left tailed C
right tailed D

Question # 3

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 # 4

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 # 5

The hypothesis which is tested for possible rejection is called

common hypothesis A
null hypothesis B
alternative hypothesis C
wrong hypothesis D

Question # 6

P(type II error) is equal to:

α A
β B
1 - α C
1 - β D

Question # 7

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 # 8

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 # 9

A quantitative statement about a population is called:

Research hypothesis A
Composite hypothesis B
Simple hypothesis C
Statistical hypothesis D

Question # 10

The power of the test is equal to:

α A
1 - α B
β C
1 - β D

Question # 11

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

H_o : μ = 16000 kilometers A
H_o : μ ≤ 16000 kilometers B
H_o : μ < 16000 kilometers C
H_o : μ > 16000 kilometers D

Question # 12

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

critical region A
test statistic B
parameter C
rejection region D

Question # 13

A region for which the H_o is rejected is called

acceptance region A
rejection region B
critical region C
both b and c D

Question # 14

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 # 15

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

Statistical hypothesis A
Simple hypothesis B
Composite hypothesis C
None of these D

Question # 16

Which of the following is not composite hypothesis?

^{μ < μ}_^ A
μ > μ₀ B
μ = μ_o C

Question # 17

The alternative hypothesis always contains the sign of

equality A
inequality B
ratio C
proportion D

Sr.#	Question	Answer
1	If the null hypothesis is false, we many accept it leading to a ----------- decision	A. true B. correct C. wrong D. none of these
2	A quantitative statement about a population is called:	A. Research hypothesis B. Composite hypothesis C. Simple hypothesis D. Statistical hypothesis
3	Suppose that the null hypothesis is true and it is rejected, is known as:	A. α type-I error, and its probability is β B. α type-I error, and its probability is α C. α type-II error, and its probability is α D. α type-II error, and its probability is β
4	Hypothesis that does not completely specify the underlying population distribution is called	A. simple hypothesis B. dual hypothesis C. composite hypothesis D. common hypothesis
5	A statistical hypothesis is an assertion or conjecture about the distribution of random variables	A. one B. two C. one or more D. three
6	The values of test statistic which separate the rejection and non rejection regions for the test are called	A. simple values B. critical values C. parametric values D. none of these
7	A region for which the H_o is rejected is called	A. acceptance region B. rejection region C. critical region D. both b and c
8	P(type I error) is equal to:	A. 1 - α B. 1 - β C. α D. β
9	If Ho: μ <μoand H1:μ <μoand level of significance is=α then Ho will be rejected if	A. Z < Z=α B. Z < Z=α/2 C. Z < Z 1-α D. Z < Z1-α/2
10	A statistic on the basis of which a decision is made about the hypothesis of interest is called	A. critical region B. test statistic C. parameter D. rejection region

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ICS Part 2 Statistics Chapter 13 Online Test

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

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

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

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

The hypothesis which is tested for possible rejection is called

P(type II error) is equal to:

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

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

A quantitative statement about a population is called:

The power of the test is equal to:

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

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

A region for which the Ho is rejected is called

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

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

Which of the following is not composite hypothesis?

The alternative hypothesis always contains the sign of

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A region for which the H_o is rejected is called