Use the \( t \)-distribution table to find the critical value(s) for the indicated alternative hypotheses, level of significance \( \alpha \), and sample sizes \( n_{1} \) and \( n_{2} \). Assume that the samples are random and independent, and the populations are normally distributed. Complete parts (a) and (b). \( H_{a}: \mu_{1}>\mu_{2}, \alpha=0.10, n_{1}=6, n_{2}=8 \) Click the icon to view the t-distribution table. (a) Find the critical value(s) assuming that the population variances are equal. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) (b) Find the critical value(s) assuming that the population variances are not equal. \( \square \)
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