SOLUTION: The mean marks of 80 students were found to be 45.Later on it was found that one value was misread as 92 instead of 72.Find the corrected mean corresponding to the correct score.

SOLUTION: The mean marks of 80 students were found to be 45.Later on it was found that one value was misread as 92 instead of 72.Find the corrected mean corresponding to the correct score.

Algebra.Com

Question 1039306: The mean marks of 80 students were found to be 45.Later on it was found that one value was misread as 92 instead of 72.Find the corrected mean corresponding to the correct score.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The corrected mean is .
RELATED QUESTIONS
the mean of 10 observations was found to be 28. later, it was discovered that one... (answered by richwmiller)

there were 500 workers working in a factory.their mean wage was calculated as 200.later... (answered by Cromlix)

the mean of 195 item was 45. later on it was discovered that the two items were wrongly... (answered by ewatrrr)

A class of students obtained an average of 45 marks, on re-checking it was found that... (answered by stanbon)

The mean and standard deviation of a sample of 20 observations were found to be 75 and... (answered by stanbon)

the average weight of 5-man Freshman basketball team was thought to be 60 kg. However, a... (answered by mananth)

The mean of 205 items was 41. Later on it was discovered that two items were wrongly read (answered by stanbon)

Who's online? Tutor, please help. The mean and standard deviation of 15 observations are (answered by math_tutor2020)

Mathematical Connections 10-4 p. 669# 3 3. On a certain exam, Tony corrected 10 papers... (answered by checkley77)