رد: سؤالين في الاحصاء من يعرف حلها؟
وذهي كيف تنحل
An instructor grades exams 20%, term paper 30% and final exam 50%. A student had grades of 83,
72 and 90, respectively for exams, term paper and final exam. Compute the student's final average
using the weighted mean.
A) 83.2
B) 57.5
C) 33.3
D) 81.7
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