SOLUTION: A class has 20 students. The mean score on a test for 19 of the students was 74. The 20th student earned a score of 94. What is the new mean score for the class?

Algebra.Com
Question 837815: A class has 20 students. The mean score on a test for 19 of the students was 74. The 20th student earned a score of 94. What is the new mean score for the class?
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
(19*74+94)/20=75
RELATED QUESTIONS

Suppose that the mean score of a class of 28 students was 74. The 19 male students in the (answered by JulietG)
Suppose that the mean score of a class of 35 students was 76. The 15 male students in the (answered by edjones)
Suppose that the mean score of a class of 35 students was 76. The 20 male students in the (answered by ankor@dixie-net.com)
The average (arithmetic mean) test score in a class of 12 students was 74. If 4 students... (answered by Fombitz)
On a certain test, a class with 10 students had an average score of 60 and a class with... (answered by checkley79)
The score for half students in a class on a certain test was 90.The score for another... (answered by KMST)
In a class of 15 students, each student has a different test score. The median test score (answered by stanbon)
6. A psychology professor of a large class became curious as to whether the students who... (answered by Boreal)
Twenty students in a chemistry class took a test on which the overall average score was... (answered by ewatrrr)