The Following Table Shows the Myers-Briggs Personality Preferences for a Random

Multiple Choice

The following table shows the Myers-Briggs personality preferences for a random sample of 409 people in the listed professions. $$\begin{array} { l | l | l | l } \text { Occupation } & \text { Extroverted } & \text { Introverted } & \text { Row Total } \\\hline \text { Clergy (all denominations) } & 62 & 44 & 106 \\\hline \text { M.D. } & 70 & 94 & 164 \\\hline \text { Lawyer } & 54 & 85 & 139 \\\hline \text { Column Total } & 186 & 223 & 409 \\\hline\end{array}$$ Use the chi-square test to determine if the listed occupations and personality preferences are independent at the 0.1 level of significance. What are the degrees of freedom?

A) 4
B) 3
C) 2
D) 5
E) 6