Answer :
The mean travel time for these students is given by the sum of the times for each student divided by the total number of students:
[tex]\frac{15+15+10+12+8+11+8}{7}=\frac{79}{7}\approx11.3\text{ minutes}[/tex]The mean travel time for these students is given by the sum of the times for each student divided by the total number of students:
[tex]\frac{15+15+10+12+8+11+8}{7}=\frac{79}{7}\approx11.3\text{ minutes}[/tex]