A school is analyzing exam scores. The mean score of 30 students is 78%. If one students score was recorded as 55% but should have been 85%, what is the corrected mean?

Sat, 09 May 2026 15:31:23 +0000

**A school is analyzing exam scores. The mean score of 30 students is 78%. If one student’s score was recorded as 55% but should have been 85%, what is the corrected mean?** In an era where educational outcomes shape future opportunities, even small shifts in performance data can reveal meaningful insights—especially when adjusting foundational figures. A recent analysis of a mid-sized high school’s exam results showed a class average of 78% based on 30 students. What if one score, originally filed as 55%, actually represented 85%? This correction not only refines academic accuracy but reflects a growing commitment to transparent, data-driven education. Readers searching for clarity on student performance or data integrity may find this context essential—especially amid increasing focus on equity and accountability in U.S. schools. --- ### Why A school is analyzing exam scores. The mean score of 30 students is 78%? Increasing focus on accurate metrics drives better educational decisions.