Question

A teacher graded the tests for each of her students. She calculated a mean grade of 80 and a standard deviation of 3. One of her students, Katrina, had a z-score of 2. What grade did Katrina get on the test?
Steve
Z=2 means 2 std above the mean.
So, what's 80+2*3?
Jacob
86
Ms. Sue
Try reading Steve's problem again, Jacob.