Answer:
13/15
Step-by-step explanation:
The fraction of the cookies that are chocolate chip can be determined by solving this equation
1 - ( - )
1 -
- = = 13/15
80, 80, 80, 80, 80, 85, 85, 85, 85, 85, 90, 90, 90, 90, 90
Mean = 85
Median = 85
Range = 10
Mean Absolute Deviation (MAD) = 3.33