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In reporting the results of statistical tests, report the descriptive statistics, such as means and standard deviations, as well as the test statistic, degrees of freedom, obtained value of the test, and the probability of the result occurring by chance (p value).

If you have lots of statistics to report, you should strongly consider presenting them in tables or some other visual form. You would then highlight statistics of interest in your text, but would not report all of the statistics. See the section on statistics and visuals for more details.

Probability deals with predicting the likelihood of future events, while statistics involves the analysis of the frequency of past events.

1. General tips for Reporting Statistics APA Style Use readable spacing, placing a space after commas, variables and mathematical symbols. ... Don't state formulas for common statistics (e.g. variance, z-score). ... In general, round decimals to two places, with the exception of p-values (see p-values in the next section).

In reporting the results of statistical tests, report the descriptive statistics, such as means and standard deviations, as well as the test statistic, degrees of freedom, obtained value of the test, and the probability of the result occurring by chance (p value).

Use two or three decimal places and report exact values for all p values greater than . 001. For p values smaller than . 001, report them as p < .

Statistics are important because they help people make informed decisions. Governments, organizations, and businesses all collect statistics to help them track progress, measure performance, analyze problems, and prioritize.

In the United States, facts by themselves are not protected by copyright. Therefore, data, as a collection of facts, is not protected by U.S. copyright law. Databases as a whole can be protected by copyright as a compilation, but only under certain conditions.