The mean marks secured by a student in five subjects is 75 . If one more subject in which he secured 72 marks is included , calculate the new mean.
Share
The mean marks secured by a student in five subjects is 75 . If one more subject in which he secured 72 marks is included , calculate the new mean.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Step-by-step explanation:
marks obtained in the students in 5 subjects= 375
total marks = 375+72= 447
now, the required mean = 447/6 = 74.5