For those of you who are interested in knowing how much weight is considered "standard" for various exercises, the following link is really helpful. It gives guidelines for 1RM based on weight, gender and experience level (e.g., for an adult female, 165 lbs whose been training less than 9 months, the squat 1RM is 130 lbs).
http://www.exrx.net/Testing/WeightLifting/StrengthStandards.html
http://www.exrx.net/Testing/WeightLifting/StrengthStandards.html