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different formulas for the t test

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The two different formulas for the t test are for which two different types of problems?
a. the samples are dependent or the samples are independent
b. the variances are assumed to be equal or unequal
c. the samples are both large or both small
d. the populations are normally distributed or skewed

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Solution Summary

The expert examines two different formulas for the t tests for different types of problems. The degrees of freedom are given.

Solution provided by:
Gaurav Agarwal, MS
Education
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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