An undergraduate student is calculating the arithmetic mean of the scores they received on a recent exam. If the scores are 85, 90, 78, 92, and 88, what is the arithmetic mean of these scores?

Thu, 16 Apr 2026 19:58:56 +0000

**An undergraduate student is calculating the arithmetic mean of the scores they received on a recent exam. If the scores are 85, 90, 78, 92, and 88, what is the arithmetic mean of these scores?** As students navigate the rhythm of academic performance, the arithmetic mean—often called the average—remains a foundational concept for understanding grades and progress. For an undergraduate student reviewing recent test scores such as 85, 90, 78, 92, and 88, calculating the arithmetic mean offers a clear way to assess consistency, identify strengths, and set realistic goals. In today’s education landscape, where data-driven study planning shapes success, this simple calculation became a routine yet meaningful moment in many students’ academic routines. Calculating the arithmetic mean involves summing all the scores and dividing by the number of entries. For this student’s exam results, the total is 85 + 90 + 78 + 92 + 88 = 433. With five scores, dividing 433 by 5 gives an average of 86.6. This number not only summarizes the performance but also serves as a reference point when studying patterns over time. **Why tracking averages matters in student life**