Titlebook: Statistics in Criminal Justice; David Weisburd,Chester Britt Textbook 2014Latest edition Springer Science+Business Media New York 2014 Mul

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Textbook 2014Latest editionhat can be used to examine real-life criminal justice problems with popular statistical software programs. The primary goal of the text is to give students and researchers a basic understanding of statistical concepts and methods that will leave them with the confidence and the tools for tackling mo

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Measurement: The Basic Building Block of Research,ns. In statistics, such classification and ordering of values must be done in a systematic way. There are clear rules for developing different types of measures and defined criteria for deciding which are most appropriate for answering a specific research question.

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Describing the Typical Case: Measures of Central Tendency,et the reader decide. However, as the number of cases grows, it becomes difficult to make a decision about typicality from the distribution as a whole. This is the function of measures of central tendency in statistics. They provide us with a simple snapshot of our data that can be used to gain a picture of the average case.

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Steps in a Statistical Test: Using the Binomial Distribution to Make Decisions About Hypotheses,this reason, we want the observed risk of a Type I error in a test of statistical significance to be as small as possible. But how do statisticians calculate that risk? How do they define the observed significance level associated with the outcome of a test?

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Chi-Square: A Test Commonly Used for Nominal-Level Measures,e binary variable. in this chapter, we look at a more commonly used nonparametric test of statistical significance for nominal-level measures: chi-square. The chi-square test allows the researcher to examine multicategory nominal-level variables as well as the relationship between nominal-level measures.