If a student's pre- and posttest scores on sit-ups completed in a minute were 30 and 40 respectively, and the highest score attained in class was 80, the improvement score for the student would be:
A) .20.
B) .30.
C) .40.
D) .50.
E) .60.

Question

Quizplus · Accepted Answer

The improvement score is calculated by taking the difference between the posttest and pretest scores (40 - 30 = 10) and dividing it by the highest score attained in class (80). So, the improvement score is 10/80 = 0.125, which rounds to 0.20.

If a Student's Pre- and Posttest Scores on Sit-Ups Completed