For the following data, what is the mean of the difference scores? $$\begin{array} { | r r }
\hline { \text { Before } } & \text { After } \
\hline 160 & 153 \
\hline 125 & 124 \
\hline 142 & 136 \
\hline 187 & 167 \
\hline
\end{array}$$
A) 8.50
B) 5.00
C) 4.26
D) 11.33

Question

For the following data, what is the mean of the difference scores? $$\begin{array} { | r r } 
\hline { \text { Before } } & \text { After } \
\hline 160 & 153 \
\hline 125 & 124 \
\hline 142 & 136 \
\hline 187 & 167 \
\hline
\end{array}$$
A) 8.50
B) 5.00
C) 4.26
D) 11.33

Quizplus · Accepted Answer

The Answer of For the following data, what is the mean of the difference scores? $$\begin{array} { | r r } 
\hline { \text { Before } } & \text { After } \
\hline 160 & 153 \
\hline 125 & 124 \
\hline 142 & 136 \
\hline 187 & 167 \
\hline
\end{array}$$
A) 8.50
B) 5.00
C) 4.26
D) 11.33

For the Following Data, What Is the Mean of the Difference