The scores on a math test for five students were 85, 92, 78, 95, and 80. What is the mean (average) score for these students?

✓ Correct Answer: Option B

To find the mean, sum all the scores: 85 + 92 + 78 + 95 + 80 = 430. Then, divide the sum by the number of scores (5): 430 ÷ 5 = 86.