![]() ![]() What additional displays are useful for summarizing the distribution of a variable for several groups? What is a stem-and-leaf plot? How does a stem-and-leaf plot differ from a histogram? What is a boxplot?Ĩ. How can you determine if the values of the summary statistics for a variable differ for subgroups of cases? What are subgroups of cases? What can you learn from calculating summary statistics separately for subgroups of cases? How can you graph summary statistics for subgroups?ħ. How can you summarize the values of a variable? What are scales of measurement and why are they important? How does the arithmetic mean differ from the mode and the median? When is the median a better measure of central tendency than the mean? What does the variance tell you? The coefficient of variation? What are standardized scores, and why are they useful?Ħ. How can you summarize the various responses people give to a question? What is a frequency table and what can you learn from it? How can you tell from a frequency table if there have been errors in coding or entering data? What are percentages and cumulative percentages? When do you use pie charts, bar charts and histograms?ĥ. What's important when designing a survey or an experiment? How should you ask a question? How should you select participants? How should you assign people to experimental groups? Why is it important to include a comparison group? ![]() Particular emphasis is on using the SPSS Statistics online tutorial and the online help system, so that you can always find the information that you need to run the software.ģ. You learn to open data files, enter data into the data editor, and examine your results in the viewer window. An Introductory Tour of IBM SPSS Statistics. The first chapter is a roadmap that discusses the goals and organization of the book.Ģ. Getting Started with IBM SPSS Statistics 1. IBM SPSS Statistics 19 Guide to Data Analysis: Chapters This will be easily downloadable for the members of Civilengineerspk.IBM SPSS Statistics Guides: Straight Talk about Data Analysis and IBM SPSS Statistics More information about SPSS can be found here and here.
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