In a research study, t obt = -5.387 and t crit = 2.145. Which of the following c

Question

In a research study, tobt = -5.387 and tcrit = 2.145. Which of the following conclusions is true?

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 anothe

Explanation / Answer

In a research study, tobt = -5.387 and tcrit = 2.145. Which of the following conclusions is true?

since t obt is lower than critical value we fail to reject Ho

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

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