Test Score Average Calculator — Formula
## How to Calculate Test Score Average
The test score average is the arithmetic mean of all test scores.
### Formula
**Average = (Test 1 + Test 2 + ... + Test N) / N**
This gives equal weight to every test.
The test score average is the arithmetic mean of all test scores.
### Formula
**Average = (Test 1 + Test 2 + ... + Test N) / N**
This gives equal weight to every test.
Exemplo Resolvido
A student has four test scores: 85, 92, 78, 88.
- Sum = 85 + 92 + 78 + 88 = 343
- Average = 343 / 4 = 85.75
- Range = 92 - 78 = 14