The San Luis Obispo Telegram-Tribune (October 1, 1994) reported the following monthly salaries for supervisors from six different counties: $5354 (Kern), $5166 (Monterey), $4443 (Santa Cruz), $4129 (Santa Barbara), $2500 (Placer), and $2220 (Merced). San Luis Obispo County supervisors are supposed to be paid the average of the two counties among these six in the middle of the salary range.
a. Which measure of center determines this salary, and what is its value?
b. Why is the other measure of center featured in this section not as favorable to these supervisors (although it might appeal to taxpayers)?