Two statistics courses, Course A and Course B, have differen…
Two statistics courses, Course A and Course B, have different instructors. The average score in Course A is 75 with a standard deviation of 10, while the average score in Course B is 80 with a standard deviation of 8. A student scores 85 in Course A and 84 in Course B. The z-scores for the student’s scores in each course are provide below. Determine which course the student performed relatively better in. Formula for Z-Score (z) = (X – μ) / σ Z-Score for Course A: (zA) = (85 – 75) / 10 = 1 Z-Score for Course B: (zB) = (84 – 80) / 8 = 0.5