Consider the following results for two samples randomly taken from two populations.
$\begin{array}{lcc}&\text { Sample A }&\text { Sample B }\
\text { Sample Size } & 25 & 38 \
\text { Sample Mean } & 66 & 60 \
\text { Sample Standard Deviation } & 5 & 7
\end{array}$
a. What are the degrees of freedom for the t distribution?
b. At 95% confidence, compute the margin of error.
c. Develop a 95% confidence interval for the difference between the two population means.

Question

Consider the following results for two samples randomly taken from two populations.
 $\begin{array}{lcc}&\text { Sample A }&\text { Sample B }\
\text { Sample Size } & 25 & 38 \
\text { Sample Mean } & 66 & 60 \
\text { Sample Standard Deviation } & 5 & 7
\end{array}$ 
a. What are the degrees of freedom for the t distribution?
b. At 95% confidence, compute the margin of error.
c. Develop a 95% confidence interval for the difference between the two population means.

Quizplus · Accepted Answer

The Answer of Consider the following results for two samples randomly taken from two populations.
 $\begin{array}{lcc}&\text { Sample A }&\text { Sample B }\
\text { Sample Size } & 25 & 38 \
\text { Sample Mean } & 66 & 60 \
\text { Sample Standard Deviation } & 5 & 7
\end{array}$ 
a. What are the degrees of freedom for the t distribution?
b. At 95% confidence, compute the margin of error.
c. Develop a 95% confidence interval for the difference between the two population means.

Consider the Following Results for Two Samples Randomly Taken from Two