In a Study of Reaction Times, the Time to Respond

Multiple Choice

In a study of reaction times, the time to respond to a visual stimulus (x) and the time to respond to an auditory stimulus (y) were recorded for each of 8 subjects. Times were measured in thousandths of A second. The results are presented in the following table.

$\begin{array} { c c } \hline \text { Visual } & \text { Auditory } \\\hline 201 & 241 \\164 & 237 \\189 & 243 \\168 & 243 \\190 & 244 \\239 & 247 \\169 & 237 \\236 & 244 \\\hline\end{array}$

Construct a 99% confidence interval for the mean auditory response time for subjects with a visual Response time of 171.

A) (231.15, 248.69)
B) (235.56, 244.28)
C) (236.23, 243.61)
D) (229.58, 250.26)