# statistics

Leslie took two midterm exams and earned the following scores: 82 on the chemistry exam
(class distribution: μ = 75, σ = 6.25) and 63 on the physics exam (class distribution: μ = 59,
σ = 3.57). Rounding to two decimal points, on which exam should Leslie get the higher
a. Chemistry
b. Physics
c. The two exam scores are equivalent.

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1. z-score for chemistry = (82-75)/6.25 = 1.12
z-score for physics = (63-59)/3.57 = 1.12044

I would consider the difference insignificant, so the two scores would be equivalent.

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