SOLUTION: Estimate the mean study time of all students taking an exam. Round answer to the nearest tenth of an hour, if necessary: 18,7,10 ,13,12,16,5,20,21 I have 18+7+10+13+12+16+5+

Algebra ->  Probability-and-statistics -> SOLUTION: Estimate the mean study time of all students taking an exam. Round answer to the nearest tenth of an hour, if necessary: 18,7,10 ,13,12,16,5,20,21 I have 18+7+10+13+12+16+5+      Log On


   

Question 613646: Estimate the mean study time of all students taking an exam. Round answer to the nearest tenth of an hour, if necessary:
18,7,10 ,13,12,16,5,20,21
I have 18+7+10+13+12+16+5+20+21=122
tenth hour?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi, 

Estimate the mean study time of all students taking an exam

18,7,10 ,13,12,16,5,20,21

18+7+10+13+12+16+5+20+21=122  Yes!

 mean = 122/9 = 13.6 hr,  Rounded to the nearest tenth of an hour



5,7,10,12,13,16,18,20,21 (median 13)