Regression analysis is a method of determining the relationship between two sets of variables when one set is dependent on the other. In business, regression analysis can be used to calculate how ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Many of Pew Research Center’s survey analyses show relationships between two ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

Graphical techniques are powerful data analytic tools. We demonstrate the use of five such techniques in the context of regression analysis, These are stem-and-leaf plots, schematic plots, time-order ...

Your client, Dave’s BBQ, a local independent restaurant, is interested in determining the effect on sales revenue of certain advertising strategies. Dave has weekly data on advertising dollars spent ...

Learn what analysis of variance (ANOVA) is, how it works, and when to use it. See how it helps compare means across multiple data groups in statistics and research.

Fundamental analysis is a method used to evaluate the intrinsic value of a financial asset, such as a stock, bond, or currency. This analysis involves examining various economic, financial, and ...

Of these meta-analyses, only the three most recent meta-analyses covered the research performed over the last 5 years: (1) Grosso et al. 9 included randomized controlled trials (RCTs) published up to ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Cierra Murry is an expert in banking, credit ...