The Following Information Was Obtained from Matched Samples Taken from Two

Multiple Choice

The following information was obtained from matched samples taken from two populations.Assume the population of differences is normally distributed. $\begin{array}{lll}\text { Individual } & \text { Method 1 } & \text { Method 2 } \\1 & 7 & 5 \\2 & 5 & 9 \\3 & 6 & 8 \\4 & 7 & 7 \\5 & 5 & 6\end{array}$
The 95% confidence interval for the difference between the two population means is

A) -3.776 to 1.776.
B) -2.776 to 2.776.
C) -1.776 to 2.776.
D) -1.776 to 1.776.