The dean of a local school wants to determine if the grade distribution is independent of
the subject matter taught. How many degrees of freedom does this contingency table have?
$$\begin{array} { l l l l l l }
\text { Subject } & \mathbf { A } & \mathbf { B } & \mathbf { C } & \mathbf { D } & \mathbf { E } \
\text { Science } & 5 & 11 & 27 & 7 & 11 \
\text { History } & 14 & 18 & 32 & 5 & 7 \
\text { English } & 18 & 35 & 68 & 18 & 23
\end{array}$$

Question

The dean of a local school wants to determine if the grade distribution is independent of
the subject matter taught. How many degrees of freedom does this contingency table have?
 $$\begin{array} { l l l l l l } 
\text { Subject } & \mathbf { A } & \mathbf { B } & \mathbf { C } & \mathbf { D } & \mathbf { E } \
\text { Science } & 5 & 11 & 27 & 7 & 11 \
\text { History } & 14 & 18 & 32 & 5 & 7 \
\text { English } & 18 & 35 & 68 & 18 & 23
\end{array}$$

Quizplus · Accepted Answer

The Answer of The dean of a local school wants to determine if the grade distribution is independent of
the subject matter taught. How many degrees of freedom does this contingency table have?
 $$\begin{array} { l l l l l l } 
\text { Subject } & \mathbf { A } & \mathbf { B } & \mathbf { C } & \mathbf { D } & \mathbf { E } \
\text { Science } & 5 & 11 & 27 & 7 & 11 \
\text { History } & 14 & 18 & 32 & 5 & 7 \
\text { English } & 18 & 35 & 68 & 18 & 23
\end{array}$$

The Dean of a Local School Wants to Determine If