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    T Tests and Data Collection

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    What sort of data must you collect to conduct a t-test? Why?

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    https://brainmass.com/statistics/students-t-test/t-tests-data-collection-402785

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    When you collect data to use in a t-test, you have to make sure that the data meets the assumptions of the t-test. There are several slightly different versions of the t-test (you pick one depending on the questions you're trying to answer), and each type of t-test has similar assumptions. For all of the different types of t-test, the data must be continuous (rather than ordinal). This means that the data has to be at the interval or ratio level of measurement (see http://www.upa.pdx.edu/IOA/newsom/da1/ho_levels.pdf).

    The data you collect to conduct a ...

    Solution Summary

    This solution looks at the assumptions that data must meet for a t-test.

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