Randall collected sea shells everyday on his vacation, as shown in the chart. On the seventh day of his vacation, he collected only 2 sea shells. How will this affect the range of the number of shells he collected?
A. The range will decrease by 3
B. The range will not change
C. The range will increase by 2
D. The range will increase by 14
| DAY | 1 | 2 | 3 | 4 | 5 | 6 |
| Number of shells | 21 | 27 | 17 | 29 | 16 | 28 |
