Find the average of all scores if there are:
ten scores of 9
eight scores of 8
ten scores of 7
three scores of 6
Round to one decimal place.
2 answers
Wouldn't the average just be 7.8?
yes, because
(10*9 + 8*8 + 10*7 + 3*6)/(10+8+10+3) = 7.8
Before you post any more of these weighted average problems, John Mark, how about you show some of your work?
(10*9 + 8*8 + 10*7 + 3*6)/(10+8+10+3) = 7.8
Before you post any more of these weighted average problems, John Mark, how about you show some of your work?