Question

1. In another study if the alternative hypothesis is µ1 < µ2 and you conclude in favor of the alternative hypothesis in words what you conclude?
2. The above alternative hypoethesis would be
   1. Nondirection al hypothesis
   2. Directional hypothesis
3. Generally, the larger the samples, the smaller the standard errors become, increasing the likihood of finding statistical signficance. This statement is
4. Calculating the standard error of the difference between means depends on the standard deviations as well as the sample sizes between the groups, and can be considered equal or unequal. This statement is
5. What do the following results indicate in terms of rejecting the null hypothesis (t-3.20, df=28, p <.05 two tailed test?

Answer 1

1. Option B is correct i.e. Directional hypothesis
2. Generally, the larger the samples, the smaller the standard errors become, increasing the likelihood of finding statistical significance. This statement is True.
3. Calculating the standard error of the difference between means depends on the standard deviations as well as the sample sizes between the groups, and can be considered equal or unequal. This statement is True.
4. Reject the null hypothesis since p <.05.

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