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6 years ago in Discussion By Bhagirathi Bisht
Types of t-tests
I want to use independent t-tests for testing the data. Please guide me on how many types of t-tests are present and when to use them?
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By Pritam Kapoor Answered 7 years ago
Statistical difference between a sample mean and a known or hypothesized value of the mean in the population.
Statistical difference between the sample mean and the sample midpoint of the test variable.
Statistical difference between the sample mean of the test variable and chance.
If you have independent samples, you can use the two-sample t-test but if your samples are connected in some way, it is advisable to run a paired samples t-test.
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By Mayur Desai Answered 7 years ago
1- Sample t-test: Tests whether the mean of a single population is equal to a target value
2- Sample t-test: Tests whether the difference between the means of two independent populations is equal to a target value
Paired t test : Tests whether the mean of the differences between dependent or paired observations is equal to a target value
t-test in regression output: Tests whether the values of coefficients in the regression equation differ significantly from zero
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