ICS Part 2 Statistics Chapter 13 Online Test With Answers

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ICS Part 2 Statistics Chapter 13 Online Test

Sr. # Questions Answers Choice
1 An example in a two-sided, alternative hypothesis is: H<sub>1</sub> :u &lt; 0 H<sub>1</sub> : u &gt; 0 H<sub>1</sub> L u <u>&gt;</u> 0 H<sub>1</sub> : u ≠ 0
2 Given=μ0 = 170, X̅ = 190,σ = 36 and n = 9; which statistic is appropriate? t z x2 F
3 Which of the following is not composite hypothesis? <sup>μ <u>&lt;</u> μ</sup><sub>^</sub> μ <u>&gt;</u> μ<sub>0</sub> μ = μ<sub>o</sub>
4 Suppose that the null hypothesis is true and it is rejected, is known as: α type-I error, and its probability is&nbsp;β α type-I error, and its probability is&nbsp;α α type-II error, and its probability is&nbsp;α α type-II error, and its probability is β
5 The degree of confidence is equal to: β 1 -&nbsp;β 1 -&nbsp;α α
6 The power of the test is equal to: α 1 -&nbsp;α β 1 -&nbsp;β
7 Which hypothesis is always in an inequality form? Simple hypothesis Alternative hypothesis Null hypothesis Composite hypothesis
8 P(type II error) is equal to: α β 1 -&nbsp;α 1 - β
9 P(type I error) is equal to: 1 -&nbsp;α 1 -&nbsp;β α β
10 Level of significance is also called: Power of the test Size of the test Level of confidence Confidence coefficient
11 1 - α is the probability associated with: Type-I error Type-II error Level of confidence Level of significance
12 1 -&=nbsp;α is call: Confidence coefficient Power of the test Size of the test Level of significance
13 The choice of one-tailed test and two tailed test depends upon: Composite hypothesis Null hypothesis Alternative hypothesis Simple hypothesis
14 A hypothesis that specifies all the value of parameter is called: Statistical hypothesis Simple hypothesis Composite hypothesis None of these
15 The alternative hypothesis is also called: Null hypothesis Statistical hypothesis Research hypothesis Simple hypothesis
16 A quantitative statement about a population is called: Research hypothesis Composite hypothesis Simple hypothesis Statistical hypothesis
17 A statement about the value of a population parameter is called: Null hypothesis Alternative hypothesis Simple hypothesis Composite hypothesis
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