Site MapHelpFeedbackMultiple Choice Quiz
Multiple Choice Quiz
(See related pages)

1
Which of the following sequences for analyzing data is in the best order?
A)calculate descriptive statistics, construct graphs, calculate inferential statistics
B)calculate inferential statistics, construct graphs, calculate descriptive statistics
C)construct graphs, calculate descriptive statistics, calculate inferential statistics
D)calculate descriptive statistics, calculate inferential statistics, construct graphs
2
The probabilities used for hypothesis testing are accurate for making generalizations to a population when
A)the sample size is large.
B)confidence intervals cannot be constructed.
C)the significance level is small.
D)samples are random.
3
If there is a strong curvilinear relationship between two quantitative variables, Pearson's correlation coefficient will
A)estimate this relationship accurately.
B)underestimate this relationship.
C)slightly overestimate this relationship.
D)grossly overestimate this relationship.
4
The magnitude of relationships can be best evaluated using
A)tests for statistical significance.
B)effect size indices.
C)parametric techniques.
D)nonparametric techniques.
5
The importance of a relationship is best evaluated using
A)the judgment of experts.
B)the level of significance used by the researcher.
C)the correlation coefficient.
D)established guidelines published by statisticians.
6
The best display for showing the relationship between two categorical variables is the
A)frequency polygon.
B)boxplot.
C)scatterplot.
D)crossbreak table.
7
When news magazines publish average SAT scores for all of the states in the United States, an individual unit is a
A)student who took the SAT.
B)school district.
C)state.
D)country.
8
When a relationship between quantitative variables within a single group is described, the appropriate technique is
A)the scatterplot.
B)crossbreak table.
C)frequency polygon.
D)the boxplot.
9
Name one technique for describing groups on a quantitative variable.
A)chi square
B)t-test for proportions
C)percentage
D)frequency polygon
10
If inferential statistics are obtained, it should be
A)to determine importance.
B)before assessing importance.
C)after assessing importance.
D)to determine randomness of sample.
11
Confidence intervals are preferred to significance tests because they
A)describe sample variability.
B)do not require a random sample.
C)provide more information.
D)assess importance.
12
If Eta is larger than r,
A)neither should be used.
B)a mistake in calculation has been made.
C)r overstates the relationship.
D)r understates the relationship.
13
A distortion in using proportions and percentages can result from
A)unequal base groups.
B)difficulty in computation.
C)overlapping categories.
D)lack of an interval scale.
14
Which statement is true for "outliers"?
A)they should be deleted from analysis.
B)they can distort summary statistics.
C)they are mistakes made in analysis.
D)they are of little importance.
15
The authors suggest that researcher use both parametric and nonparametric techniques to analyze data because
A)it takes more time and is important.
B)it will make you a better researcher.
C)when the results are consistent, interpretation will be strengthened. When the results are not consistent, you can discuss the possible reasons.







Design and Evaluate ResearchOnline Learning Center with Powerweb

Home > Chapter 12 > Multiple Choice Quiz