When doing a t-test comparing two means, the null hypothesis is always that                              .     There is no statistically significant difference between the two means.     There is a statistically significant difference between the two means.

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When doing a t-test comparing two means, the null hypothesis is always that                              .

   

There is no statistically significant difference between the two means.

   

There is a statistically significant difference between the two means.

 

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For a t-test comparing two means- The two independent samples application with a continuous outcome, the parameter of interest in the test of hypothesis is the difference in population means, μ12.

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