What is the minimum sample size for multiple regression?

Answer Multiple regression helps you to learn about the relationship between several independent variables. The minimum number of samples you need depends on the degree of accuracy you want in your result... Read More »

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How to Run a Multiple Regression in Excel?

Excel is a great option for running multiple regressions when a user doesn't have access to advanced statistical software.  The process is fast and easy to learn.

How to Find Minimum Sample Sizes for Tests?

When conducting a survey, the larger the survey, the more significant the results. However, each additional person surveyed adds to the cost of conducting the survey. Therefore, you should plan ahe... Read More »

What is a large sample size?

A large sample size is a significant amount of people, animals, or substances that participate in a given experiment. The larger the sample size, the more accurate the results of the experiment can... Read More »

What is a valid sample size?

A valid sample size is the number required to project results from the sample on to a population, accurately. For instance, if Anne gets 3 "A"s and 1 "B" in her classes, you might want to estimate,... Read More »