Five teachers were hired at Oakdale Middle School at the beginning of the 2005 school year. The performance of each teacher was
rated by the principal at the conclusion of each school year. The performance ratings are charted below. Please use this information to answer the question.
Which teacher exhibited the most variable year-to-year performance over this 5 year span?
Jill
Ed
Ralph
Sam
Which teacher exhibited the most variable year-to-year performance over this 5 year span?
Jill
Ed
Ralph
Sam
2 answers:
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