Question

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.

Answer 1

Mean (the average):
$\frac{67+74+74+78+87+87+96+102+104+115}{10}=87.8$ 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