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When carrying out a t test for independent means
a. the null hypothesis is rejected if the computed t score is more extreme than the cutoff t score.
b. only the .01 significance level should be used because of the greater power compared to a t test for dependent means.
c. only the .10 significance level should be used because of the assumption that the variances of the two distributions should be equal.
d. the medians of the two populations are assumed to be equal.

Answer :

The null hypothesis is rejected if the computed t score is more extreme than the cutoff t score. (Option B)

What exactly does it mean to conduct a test independently?

When conducting research with scores from two samples of various people and not knowing the population variance, you use a t test for independent means. You have two scores from each of a number of individuals in a dependent means t test.

What is an independent samples t-null test's hypothesis?

The following hypotheses are tested using independent samples t tests: The means for the two populations are equal, or null. The means for the two populations are different from one another.

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