Question

What is the mean test score: 75, 80, 84, 79, 92, 86, 88, 86, 86, 90

Answers

GPT 3.5
The mean test score is calculated by adding up all the scores and then dividing by the total number of scores.

Sum of all scores = 75 + 80 + 84 + 79 + 92 + 86 + 88 + 86 + 86 + 90 = 866

Total number of scores = 10

Mean test score = 866 / 10 = 86.6

Therefore, the mean test score is 86.6.