Posted by **Anonymous** on Tuesday, July 13, 2010 at 7:57pm.

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

- statistics -
**PsyDAG**, Wednesday, July 14, 2010 at 3:18pm
t-test is similar to Z, but uses a correction to make up for smaller size of a sample, especially less than 30. With smaller samples, they are less likely to be normally distributed.

- statistics -
**Anonymous**, Friday, July 16, 2010 at 1:14pm
Can you send me to the right website to find information on t-test and the data that is used? Please. Thank you.

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