SOLUTION: The mean marks of students are 15, 20, 25, 35, 45 x. If the marks of each students are doubled what is the new mean ? 

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Question 640413: The mean marks of students are 15, 20, 25, 35, 45 x. If the marks of each students are doubled what is the new mean ? 
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
If you have a set of scores, and you double each score, then the mean will double as well.