Which teacher exhibited the most consistent Performance over this 5 year span?

Answer:- Jill

The performance of five instructors at Oakdale Middle School is depicted in the figure that is linked with this question.

There is a five-year chart (2005 – 2009).

Jill, Ed, Ralph, Tina, and Sam are the professors.

First, think about Jill’s performance; it only changed in 2006; in all prior years, it remained the same.

For all other teachers, there is a wide range in their performance.

the instructor Jill showed the best consistency throughout the course of the five years.