Posted by **saba** on Tuesday, August 9, 2011 at 2:43pm.

the mean marks obtained by a group of 100 students was found to 49.46.THE mean marks obtained in the same examination by another group of 200 students was 52.32. Find the mean marks obtained by the both groups of students tken together.

- statistics -
**saba**, Tuesday, August 9, 2011 at 2:44pm
51.37

- statistics -
**Ms. Sue**, Tuesday, August 9, 2011 at 2:54pm
Right.

## Answer This Question

## Related Questions

- Statistics - The marks of 100 students in an examination are normally ...
- statistics - the marks of 100 students in an examination are normally ...
- Math - The marks obtained by a number of students in a certain subject are ...
- c++ - C++ Program to read, print name and other details of 50 students ? Problem...
- Maths - Statistics The marks scored by a sample of 56 students are summarised ...
- Maths - Statistics The marks scored by a sample of 56 students are summarised by...
- maths - The data in table below gives marks for an exam of a particular tutors ...
- math - If the marks obtained by students in an examination and the weightage for...
- maths - collect marks of 10 of your classmates in different subjects in the ...
- math - collect marks of 10 of your classmates in different subjects in the ...

More Related Questions