Answer:
Option 3
Step-by-step explanation:
This may not be the most efficient way, but I solved each one and option 3 had the same answer as the question.
62=2×31
82=2×41
so the answer is 2
A reflection over the Y-axis would be the flipped point or set of points across the y axis while still retaining the same distance from the y-axis.
:)
The removal of the lowest round will affect the median, by changing it from 92 to 93, and the mean from 90.4 to 93