Records from the Washington Department of Licensing show that 47 former SFCC business students have incorporated their own businesses in the last five years. Eight of these students are selected at...

Records from the Washington Department of Licensing show that 47 former SFCC business students have incorporated their own businesses in the last five years.  Eight of these students are selected at random and contacted.  Each is asked how many people are employed by their corporation.  The responses are:

7, 12, 13, 17, 10, 5, 10, and 6 employees.

What is your best estimate of the mean number of employees for all 47 corporations?