Mind On Statistics - Chapter 13 Worksheets With Answers
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32Chapter 13
Mind on Statistics
Chapter 13
Sections 13.1 - 13.2
1.
Which statement is not true about hypothesis tests?
A. Hypothesis tests are only valid when the sample is representative of the population for the question of
interest.
B. Hypotheses are statements about the population represented by the samples.
C. Hypotheses are statements about the sample (or samples) from the population.
D. Conclusions are statements about the population represented by the samples.
KEY: C
2.
The primary purpose of a significance test is to
A. estimate the p-value of a sample.
B. estimate the p-value of a population.
C. decide whether there is enough evidence to support a research hypothesis about a sample.
D. decide whether there is enough evidence to support a research hypothesis about a population.
KEY: D
3.
The level of significance associated with a significance test is the probability
A. of rejecting a true null hypothesis.
B. of not rejecting a true null hypothesis.
C. that the null hypothesis is true.
D. that the alternative hypothesis is true.
KEY: A
4.
A result is called statistically significant whenever
A. the null hypothesis is true.
B. the alternative hypothesis is true.
C. the p-value is less or equal to the significance level.
D. the p-value is larger than the significance level.
KEY: C
5.
Which of the following is not one of the steps for hypothesis testing?
A. Determine the null and alternative hypotheses.
B. Verify data conditions and calculate a test statistic.
C. Assuming the null hypothesis is true, find the p-value.
D. Assuming the alternative hypothesis is true, find the p-value.
KEY: D
6.
Which of the following is not a correct way to state a null hypothesis?
A. H
:
0
B. H
:
= 10
0
d
C. H
:
= 0
0
D. H
:
= 0.5
0
KEY: A
261
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education