Solution
= Solution
Let $t_{\nu,p}$ denote the $p$-quantile of <Student's t-distribution>. Part (b) gives the <Student t confidence interval>
$$
\boxed{\overline X\pm t_{n-1,1-\alpha/2}
\sqrt{\frac{S_{XX}}{n(n-1)}}}.
$$
= Solution
Let $t_{\nu,p}$ denote the $p$-quantile of <Student's t-distribution>. Part (b) gives the <Student t confidence interval>
$$
\boxed{\overline X\pm t_{n-1,1-\alpha/2}
\sqrt{\frac{S_{XX}}{n(n-1)}}}.
$$