Exam 13: Data Analysis: a Users Guide to Statistics
Exam 1: Introduction to Criminal Justice Research Methods: Theory and Method64 Questions
Exam 2: Ethics in Criminal Justice Research63 Questions
Exam 3: Research Design: the Experimental Model and Its Variations63 Questions
Exam 4: The Uniform Crime Reports and Sampling61 Questions
Exam 5: Survey Research: Questionnaires62 Questions
Exam 6: Interviews and Telephone Surveys64 Questions
Exam 7: Participant Observation and Case Studies61 Questions
Exam 8: Unobtrusive Measures,secondary Analysis,and the Uses of Official Statistics64 Questions
Exam 9: Validity,reliability,and Triangulated Strategies65 Questions
Exam 10: Scaling and Index Construction65 Questions
Exam 11: Policy Analysis and Evaluation Research63 Questions
Exam 12: Data Management: Coding,tabulation,and Simple Data Presentation64 Questions
Exam 13: Data Analysis: a Users Guide to Statistics56 Questions
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Which of the following refers to the distribution free statistics in which few assumptions are made regarding the normality of the population?
Free
(Multiple Choice)
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Correct Answer:
C
The __________ is the simplest measure of central tendency and is simply the most frequently occurring score.
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(Short Answer)
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Correct Answer:
mode
Which of the following is intended to summarize or describe data or show relationships between variables?
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(Multiple Choice)
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Correct Answer:
A
Which of the following is used to compare the sample means of two groups?
(Multiple Choice)
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The __________ is the error of assuming that relationships based on groups aggregate,ecological,or a real data)can be validly assumed to be true of individual correlations.
(Short Answer)
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Chi-square is a test of the independence of the relationship between nominal or categorical variables.
(True/False)
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Tests of significance assess whether the differences between observed and expected values could be due to chance or are statistically significant.
(True/False)
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Which of the following refers to a useful chi-square-based measure of relationship appropriate for a 2 X 2 table?
(Multiple Choice)
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__________ are intended to summarize or describe data or show relationships between variables.
(Short Answer)
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Standard deviation units,or Z scores,measure the deviation from the mean relative to the standard deviation.
(True/False)
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The standard deviation is the simplest measure of dispersion and represents either the highest and lowest scores or the distance between the highest and lowest scores in a distribution.
(True/False)
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The __________ average)is the most familiar measure of central tendency and simply involves dividing the total score by the total number of cases N.
(Short Answer)
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__________ assumes that there is no difference between the groups being compared or no relationship in the population.
(Short Answer)
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Which of the following refers to the number of cells that are free to vary;that is,once the value of certain cells is fixed,the others are no longer free to vary?
(Multiple Choice)
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The mean is the simplest measure of central tendency and is simply the most frequently occurring score.
(True/False)
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Which of the following takes place when as the value of one variable increases the value of the other decreases?
(Multiple Choice)
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Which of the following enables generalization or inference of sample findings to larger populations or assessment of the probability of certain findings?
(Multiple Choice)
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Parametric statistics are distribution free statistics in which few assumptions are made regarding the normality of the population.
(True/False)
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