| 100 draws are made at random with replacement from box A, and 225 draws are made at random, independently, with replacement from box B. The standard deviation of box A is 5 and the standard deviation of box B is 10. What is the standard error for the difference between the average of the draws from the two boxes? |
Carlos Rodriguez <carlos@math.albany.edu>
This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind