![]() There are a few other points worth noting about frequency tables. Table 12.1 Frequency Table Showing a Hypothetical Distribution of Scores on the Rosenberg Self-Esteem Scale Self-esteem From a frequency table like this, one can quickly see several important aspects of a distribution, including the range of scores (from 15 to 24), the most and least common scores (22 and 17, respectively), and any extreme scores that stand out from the rest. This table shows that there were three students who had self-esteem scores of 24, five who had self-esteem scores of 23, and so on. The first column lists the values of the variable-the possible scores on the Rosenberg scale-and the second column lists the frequency of each score. Table 12.1 "Frequency Table Showing a Hypothetical Distribution of Scores on the Rosenberg Self-Esteem Scale", for example, is a frequency table showing a hypothetical distribution of scores on the Rosenberg Self-Esteem Scale for a sample of 40 college students. The first column lists the values of the variable, and the second column lists the frequency of each score. One way to display the distribution of a variable is in a frequency table A table for displaying the distribution of a variable. For this reason, we begin by looking at some of the most common techniques for describing single variables. Although in most cases the primary research question will be about one or more statistical relationships between variables, it is also important to describe each variable individually. Let us assume here that the data are quantitative and consist of scores on one or more variables for each of several study participants. refers to a set of techniques for summarizing and displaying data. Compute and interpret percentile ranks and z scores.ĭescriptive statistics A set of techniques for summarizing and displaying data.Compute and interpret the range and standard deviation of a distribution.Compute and interpret the mean, median, and mode of a distribution and identify situations in which the mean, median, or mode is the most appropriate measure of central tendency.Use frequency tables and histograms to display and interpret the distribution of a variable.zip file containing this book to use offline, simply click here. You can browse or download additional books there. More information is available on this project's attribution page.įor more information on the source of this book, or why it is available for free, please see the project's home page. ![]() Additionally, per the publisher's request, their name has been removed in some passages. However, the publisher has asked for the customary Creative Commons attribution to the original publisher, authors, title, and book URI to be removed. Normally, the author and publisher would be credited here. This content was accessible as of December 29, 2012, and it was downloaded then by Andy Schmitz in an effort to preserve the availability of this book. See the license for more details, but that basically means you can share this book as long as you credit the author (but see below), don't make money from it, and do make it available to everyone else under the same terms. ![]() This book is licensed under a Creative Commons by-nc-sa 3.0 license.
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