Posted by **shweta** on Wednesday, February 15, 2012 at 11:57pm.

The mean weight of 40 students is 50 kg. One of the student leave and is replaced by another student which reduces the mean weight of the class by 0.5 kg. If the weight of the student who left is 65kg, what is the weight of the student who joined the class.

## Answer This Question

## Related Questions

- science - The mean weight of 500 male students at a certain college is 151 ...
- statistics - A nutritionist studying weight gain for college freshmen obtains a ...
- Statistics - On a chemistry exam, Student A scored a 81 and Student B scored a ...
- Statistics - Explaining confidence. A student reads that a 95% confidence ...
- Check answers please Statistics - Suppose that each student in stat. has a 9% ...
- UNM - Suppose that the average weight of students in a statistics class is 75.5 ...
- statistics and probability - It is known that an exam scores of students in STAT...
- computer science - School wants to record the weight of 80 students when they ...
- STAT - The weights of the 100 students in an introductory statistics class are ...
- STAT - The weights of the 100 students in an introductory statistics class are ...

More Related Questions