As a nurse in a maternity ward, you are tracking the weights of newborn babies. In the month of August, 360 babies are born, with a mean weight of 8.1 pounds. In the month of September, 291 babies are born, with a mean weight of 7.8 pounds. What, approximately, is the mean weight for babies born during this two-month period?

1.) 7.83 pounds
2.) 7.93 pounds
3.) 7.95 pounds
4.) 7.97 pounds
5.) 7.99 pounds