Wednesday
November 26, 2014

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

Maths - The teacher collected the test papers of 20 students and found that ...
statistics - the average marks for statistics in a class of 30 were 52. the top ...
statistics - The final mark in QTQ100T has a normal distribution with an average...
Math - There are 20 students in Mark's homeroom class. Ten percent of the ...
statistics - there are 80 students in a math class.20% of the students in the ...
Math - Mr.Fox's fourth grade class of 20 students had an average of 72% on ...
maths - these marks were obtained by class of 28 students in a science test. the...
Algebra - Ms Newton's class took the same test as Mr. Euclid's students. Ms. ...
Algebra - Ms Newton's class took the same test as Mr. Euclid's students. Ms. ...
programming in c++ - a program in c++ that accepts exam marks for 10 students ...

Search
Members