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 ...
- UNM - Suppose that the average weight of students in a statistics class is 75.5 ...
- Algebra - If a researcher wanted to know the mean weight (the mean is the sum of...
- science - 3. In a sample of 64 students given an examination in statistics, it ...
- Statistics - Explaining confidence. A student reads that a 95% confidence ...
- 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 ...
- Math - Please help! How do I find the mean weight of 2 groups of 100 kids... 1st...
- Statistics - On a chemistry exam, Student A scored a 81 and Student B scored a ...

More Related Questions