s=[85,90,68,75,79]
The mean of a set of numbers is the sum divided by the number of terms.
85+90+68+75+795
Add 85 and 90.
175+68+75+795
Add 175 and 68.
243+75+795
Add 243 and 75.
318+795
Add 318 and 79.
3975
3975
Divide.
79.4
Find the Mean (Arithmetic) s=[85,90,68,75,79]