Question 992883
Six test scores are given. The first five test scores are 15% of the final grade and the last test score is 25% of the final grade. Find the weighted mean of the test score . 
Test scores: 65 72 84 89 70 90 
--------
0.15(65+72+84+89+70)+0.25*90 = 57+22.5 = 79.5
-----------
Cheers,
Stan H.
---------