Thursday
September 3, 2015

Homework Help: statistics

Posted by Sharon on Monday, July 25, 2011 at 7:12am.

The average marks of 30 students in mathematics is 69. If the class leaderís mark is included then the average becomes 70. Find the class leaderís mark.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members