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

Question # 1

Level of significance is also called:

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

Question # 2

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 # 3

1 -&=nbsp;α is call:

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

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 # 6

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 # 7

The alternative hypothesis always contains the sign of

equality A
inequality B
ratio C
proportion 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

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 # 10

The alternative hypothesis is also called:

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

Question # 11

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 # 12

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 # 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

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

t A
z B
x2 C
F D

Question # 15

Suppose that the null hypothesis is true and it is rejected, is known as:

α type-I error, and its probability is β A
α type-I error, and its probability is α B
α type-II error, and its probability is α C
α type-II error, and its probability is β D

Question # 16

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 # 17

Which hypothesis is always in an inequality form?

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

Sr.#	Question	Answer
1	1 -&=nbsp;α is call:	A. Confidence coefficient B. Power of the test C. Size of the test D. Level of significance
2	The alternative hypothesis is also called:	A. Null hypothesis B. Statistical hypothesis C. Research hypothesis D. Simple hypothesis
3	An automobile is driven on the average on more than 1600 kilometers per year, the null hypothesis is	A. H_o : μ = 16000 kilometers B. H_o : μ ≤ 16000 kilometers C. H_o : μ < 16000 kilometers D. H_o : μ > 16000 kilometers
4	If the null hypothesis is false, we many accept it leading to a ----------- decision	A. true B. correct C. wrong D. none of these
5	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
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	A hypothesis that specifies all the value of parameter is called:	A. Statistical hypothesis B. Simple hypothesis C. Composite hypothesis D. None of these
8	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
9	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
10	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

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Level of significance is also called:

A region for which the Ho is rejected is called

1 -&=nbsp;α is call:

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

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

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

The alternative hypothesis always contains the sign of

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

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

The alternative hypothesis is also called:

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

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

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

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

Suppose that the null hypothesis is true and it is rejected, is known as:

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

Which hypothesis is always in an inequality form?

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A region for which the H_o is rejected is called