Question

Roger recorded the results of his unit tests on this stem-and-leaf plot. He made a mistake and recorded 78 when he should have recorded 88. Which result will change?
A.
The mean will change from 72.11 to 73.22.







B.
The median will change from 75 to 78.5.







C.
The mode will change from 64 to 78.







D.
No result will change.