Consider the Following Results for Two Samples Randomly Taken from Two

Short Answer

Consider the following results for two samples randomly taken from two populations.
$\begin{array}{lcc}&\text { Sample A }&\text { Sample B }\\\text { Sample Size } & 31 & 35 \\\text { Sample Mean } & 106 & 102 \\\text { Sample Standard Deviation } & 8 & 7\end{array}$
a. Determine the degrees of freedom for the t-distribution.
b. Develop a 95% confidence interval for the difference between the two population means.