Answer:
85
Step-by-step explanation:
Given data
Abby test scores 95, 82, 78, 88
We see that the number of test
n is 4
Hence the average test score is
Average score = ∑scores/n
Average score = 95+82+78+88/4
Average score = 343/4= 85.75
≈ the average test score is 85
