13. With a two tailed hypothesis test with a dependent samples t-test, if t obt

Question

13. With a two tailed hypothesis test with a dependent samples t-test, if tobt = -4.61 and tcrit = 2.571 at the .05 significance level, what conclusions can be drawn?

       We reject the null hypothesis; our group means are not significantly different from one another.
       We reject the null hypothesis; our group means are significantly different from one another.
       We fail to reject the null hypothesis; our group means are not significantly different from one another.
       We fail to reject the null hypothesis; our group means are significantly different from one another.

Explanation / Answer

13. With a two tailed hypothesis test with a dependent samples t-test, if t obt

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