MALLORY IS A PILOR. LAST WEEK SHE FLEW THE FOLLOWING ROUND TRIPS IN MILES: 2,020; 1,358; 952; 2,258; AND 1,888. WHICH OF THE FOLLOWING IS A GOOD ESTIMATE OF THE MILES MALLORY FLFEW LAST WEEK ?
A 6,000 MI
B 6,800 MI
C 7,000 MI
D 8,000 MI