Posted by **MX** on Monday, March 28, 2011 at 6:05pm.

The mean weight of 75 2nd graders is 55.7 lbs and

the mean weight of 25 1st graders is 42.6 lb.

What is the mean weight of the 100 children?

- Math -
**Ms.Sue**, Wednesday, December 5, 2012 at 6:53pm
1.7

## Answer this Question

## Related Questions

- math - Please Help!! The mean weight of 75 2nd graders is 55.7 lbs and the mean...
- Math - The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 ...
- Math - The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 ...
- math - The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 ...
- Math - Please help! How do I find the mean weight of 2 groups of 100 kids... 1st...
- statistics - Assume the body weight of healthy fifth graders is normally ...
- Algebra - If a researcher wanted to know the mean weight (the mean is the sum of...
- Math Help Please ! - The sum of the weights of 8 children is 520 pounds. No two ...
- math - The average weight of 6 eight graders is 150 pounds and the average ...
- statistics - The weight of 14 healthy newborn children was measured. The sample...

More Related Questions