Dollar sales for the top 10 movies in 2016, where 1 unit equals a million dollars in sales are: 67, 74, 74, 78, 87, 87, 96, 102, 104, 115. find the mean, median, mode, and range.

Mean (the average):
is the mean
Median (the middle number when the numbers are ordered): 
87
Mode (most repeated number(s)):
74 and 87
Range (difference between the highest and the lowest values):
115-67=48

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post